290686977

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{42331}}^1$

素因数の和:42453

約数の個数: 24

約数和(自身を含む): 484278080

約数和(自身を除く): 193591103

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 42331, 126993, 296317, 380979, 888951, 2666853, 4614079, 13842237, 32298553, 41526711, 96895659, 290686977]

約数ペア:

[(1, 290686977), (3, 96895659), (7, 41526711), (9, 32298553), (21, 13842237), (63, 4614079), (109, 2666853), (327, 888951), (763, 380979), (981, 296317), (2289, 126993), (6867, 42331)]