31361925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 63995904

約数和(自身を除く): 32633979

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 41, 47, 75, 93, 105, 123, 141, 155, 175, 205, 217, 235, 287, 329, 465, 525, 615, 651, 705, 775, 861, 987, 1025, 1085, 1175, 1271, 1435, 1457, 1645, 1927, 2325, 3075, 3255, 3525, 3813, 4305, 4371, 4935, 5425, 5781, 6355, 7175, 7285, 8225, 8897, 9635, 10199, 13489, 16275, 19065, 21525, 21855, 24675, 26691, 28905, 30597, 31775, 36425, 40467, 44485, 48175, 50995, 59737, 67445, 95325, 109275, 133455, 144525, 152985, 179211, 202335, 222425, 254975, 298685, 337225, 418159, 667275, 764925, 896055, 1011675, 1254477, 1493425, 2090795, 4480275, 6272385, 10453975, 31361925]

約数ペア:

[(1, 31361925), (3, 10453975), (5, 6272385), (7, 4480275), (15, 2090795), (21, 1493425), (25, 1254477), (31, 1011675), (35, 896055), (41, 764925), (47, 667275), (75, 418159), (93, 337225), (105, 298685), (123, 254975), (141, 222425), (155, 202335), (175, 179211), (205, 152985), (217, 144525), (235, 133455), (287, 109275), (329, 95325), (465, 67445), (525, 59737), (615, 50995), (651, 48175), (705, 44485), (775, 40467), (861, 36425), (987, 31775), (1025, 30597), (1085, 28905), (1175, 26691), (1271, 24675), (1435, 21855), (1457, 21525), (1645, 19065), (1927, 16275), (2325, 13489), (3075, 10199), (3255, 9635), (3525, 8897), (3813, 8225), (4305, 7285), (4371, 7175), (4935, 6355), (5425, 5781)]