621954

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:434

約数の個数: 24

約数和(自身を含む): 1364220

約数和(自身を除く): 742266

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 317, 327, 634, 654, 951, 981, 1902, 1962, 2853, 5706, 34553, 69106, 103659, 207318, 310977, 621954]

約数ペア:

[(1, 621954), (2, 310977), (3, 207318), (6, 103659), (9, 69106), (18, 34553), (109, 5706), (218, 2853), (317, 1962), (327, 1902), (634, 981), (654, 951)]