31439415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 60318720

約数和(自身を除く): 28879305

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 67, 105, 109, 123, 201, 205, 287, 327, 335, 469, 545, 615, 763, 861, 1005, 1407, 1435, 1635, 2289, 2345, 2747, 3815, 4305, 4469, 7035, 7303, 8241, 11445, 13407, 13735, 19229, 21909, 22345, 31283, 36515, 41205, 51121, 57687, 67035, 93849, 96145, 109545, 153363, 156415, 255605, 288435, 299423, 469245, 766815, 898269, 1497115, 2095961, 4491345, 6287883, 10479805, 31439415]

約数ペア:

[(1, 31439415), (3, 10479805), (5, 6287883), (7, 4491345), (15, 2095961), (21, 1497115), (35, 898269), (41, 766815), (67, 469245), (105, 299423), (109, 288435), (123, 255605), (201, 156415), (205, 153363), (287, 109545), (327, 96145), (335, 93849), (469, 67035), (545, 57687), (615, 51121), (763, 41205), (861, 36515), (1005, 31283), (1407, 22345), (1435, 21909), (1635, 19229), (2289, 13735), (2345, 13407), (2747, 11445), (3815, 8241), (4305, 7303), (4469, 7035)]