647597457

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{22229}}^1$

素因数の和:22334

約数の個数: 32

約数和(自身を含む): 1045699200

約数和(自身を除く): 398101743

約数列:

[1, 3, 9, 13, 27, 39, 83, 117, 249, 351, 747, 1079, 2241, 3237, 9711, 22229, 29133, 66687, 200061, 288977, 600183, 866931, 1845007, 2600793, 5535021, 7802379, 16605063, 23985091, 49815189, 71955273, 215865819, 647597457]

約数ペア:

[(1, 647597457), (3, 215865819), (9, 71955273), (13, 49815189), (27, 23985091), (39, 16605063), (83, 7802379), (117, 5535021), (249, 2600793), (351, 1845007), (747, 866931), (1079, 600183), (2241, 288977), (3237, 200061), (9711, 66687), (22229, 29133)]