645498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 1647360

約数和(自身を除く): 1001862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 109, 126, 141, 218, 282, 327, 329, 423, 654, 658, 763, 846, 981, 987, 1526, 1962, 1974, 2289, 2961, 4578, 5123, 5922, 6867, 10246, 13734, 15369, 30738, 35861, 46107, 71722, 92214, 107583, 215166, 322749, 645498]

約数ペア:

[(1, 645498), (2, 322749), (3, 215166), (6, 107583), (7, 92214), (9, 71722), (14, 46107), (18, 35861), (21, 30738), (42, 15369), (47, 13734), (63, 10246), (94, 6867), (109, 5922), (126, 5123), (141, 4578), (218, 2961), (282, 2289), (327, 1974), (329, 1962), (423, 1526), (654, 987), (658, 981), (763, 846)]