7217217

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1051}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 12034880

約数和(自身を除く): 4817663

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 1051, 2289, 3153, 6867, 7357, 9459, 22071, 66213, 114559, 343677, 801913, 1031031, 2405739, 7217217]

約数ペア:

[(1, 7217217), (3, 2405739), (7, 1031031), (9, 801913), (21, 343677), (63, 114559), (109, 66213), (327, 22071), (763, 9459), (981, 7357), (1051, 6867), (2289, 3153)]