31460732019

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 51577344000

約数和(自身を除く): 20116611981

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 89, 141, 171, 181, 243, 267, 423, 513, 543, 729, 801, 893, 1269, 1539, 1629, 1691, 2187, 2403, 2679, 3439, 3807, 4183, 4617, 4887, 5073, 7209, 8037, 8507, 10317, 11421, 12549, 13851, 14661, 15219, 16109, 21627, 24111, 25521, 30951, 34263, 37647, 41553, 43983, 45657, 48327, 64881, 72333, 76563, 79477, 92853, 102789, 112941, 131949, 136971, 144981, 161633, 194643, 216999, 229689, 238431, 278559, 306071, 338823, 395847, 410913, 434943, 484899, 650997, 689067, 715293, 757123, 835677, 918213, 1016469, 1232739, 1304829, 1454697, 1952991, 2067201, 2145879, 2271369, 2507031, 2754639, 3049407, 3698217, 3914487, 4364091, 6201603, 6437637, 6814107, 7521093, 8263917, 9148221, 11743461, 13092273, 14385337, 18604809, 19312911, 20442321, 24791751, 35230383, 39276819, 43156011, 57938733, 61326963, 74375253, 117830457, 129468033, 173816199, 183980889, 223125759, 353491371, 388404099, 551942667, 669377277, 1165212297, 1655828001, 3495636891, 10486910673, 31460732019]

約数ペア:

[(1, 31460732019), (3, 10486910673), (9, 3495636891), (19, 1655828001), (27, 1165212297), (47, 669377277), (57, 551942667), (81, 388404099), (89, 353491371), (141, 223125759), (171, 183980889), (181, 173816199), (243, 129468033), (267, 117830457), (423, 74375253), (513, 61326963), (543, 57938733), (729, 43156011), (801, 39276819), (893, 35230383), (1269, 24791751), (1539, 20442321), (1629, 19312911), (1691, 18604809), (2187, 14385337), (2403, 13092273), (2679, 11743461), (3439, 9148221), (3807, 8263917), (4183, 7521093), (4617, 6814107), (4887, 6437637), (5073, 6201603), (7209, 4364091), (8037, 3914487), (8507, 3698217), (10317, 3049407), (11421, 2754639), (12549, 2507031), (13851, 2271369), (14661, 2145879), (15219, 2067201), (16109, 1952991), (21627, 1454697), (24111, 1304829), (25521, 1232739), (30951, 1016469), (34263, 918213), (37647, 835677), (41553, 757123), (43983, 715293), (45657, 689067), (48327, 650997), (64881, 484899), (72333, 434943), (76563, 410913), (79477, 395847), (92853, 338823), (102789, 306071), (112941, 278559), (131949, 238431), (136971, 229689), (144981, 216999), (161633, 194643)]