981567018

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 2369664000

約数和(自身を除く): 1388096982

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 67, 109, 114, 131, 134, 171, 201, 218, 262, 327, 342, 393, 402, 513, 603, 654, 786, 981, 1026, 1179, 1206, 1273, 1809, 1962, 2071, 2358, 2489, 2546, 2943, 3537, 3618, 3819, 4142, 4978, 5886, 6213, 7074, 7303, 7467, 7638, 8777, 11457, 12426, 14279, 14606, 14934, 17554, 18639, 21909, 22401, 22914, 26331, 28558, 34371, 37278, 42837, 43818, 44802, 52662, 55917, 65727, 67203, 68742, 78993, 85674, 111834, 128511, 131454, 134406, 138757, 157986, 166763, 197181, 236979, 257022, 271301, 277514, 333526, 385533, 394362, 416271, 473958, 500289, 542602, 771066, 813903, 832542, 956693, 1000578, 1248813, 1500867, 1627806, 1913386, 2441709, 2497626, 2870079, 3001734, 3746439, 4502601, 4883418, 5740158, 7325127, 7492878, 8610237, 9005202, 14650254, 17220474, 18177167, 25830711, 36354334, 51661422, 54531501, 109063002, 163594503, 327189006, 490783509, 981567018]

約数ペア:

[(1, 981567018), (2, 490783509), (3, 327189006), (6, 163594503), (9, 109063002), (18, 54531501), (19, 51661422), (27, 36354334), (38, 25830711), (54, 18177167), (57, 17220474), (67, 14650254), (109, 9005202), (114, 8610237), (131, 7492878), (134, 7325127), (171, 5740158), (201, 4883418), (218, 4502601), (262, 3746439), (327, 3001734), (342, 2870079), (393, 2497626), (402, 2441709), (513, 1913386), (603, 1627806), (654, 1500867), (786, 1248813), (981, 1000578), (1026, 956693), (1179, 832542), (1206, 813903), (1273, 771066), (1809, 542602), (1962, 500289), (2071, 473958), (2358, 416271), (2489, 394362), (2546, 385533), (2943, 333526), (3537, 277514), (3618, 271301), (3819, 257022), (4142, 236979), (4978, 197181), (5886, 166763), (6213, 157986), (7074, 138757), (7303, 134406), (7467, 131454), (7638, 128511), (8777, 111834), (11457, 85674), (12426, 78993), (14279, 68742), (14606, 67203), (14934, 65727), (17554, 55917), (18639, 52662), (21909, 44802), (22401, 43818), (22914, 42837), (26331, 37278), (28558, 34371)]