1320447639

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{88937}}^1$

素因数の和:89055

約数の個数: 24

約数和(自身を含む): 2068342128

約数和(自身を除く): 747894489

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 2121, 4949, 14847, 88937, 266811, 622559, 1867677, 4357913, 8982637, 13073739, 26947911, 62878459, 188635377, 440149213, 1320447639]

約数ペア:

[(1, 1320447639), (3, 440149213), (7, 188635377), (21, 62878459), (49, 26947911), (101, 13073739), (147, 8982637), (303, 4357913), (707, 1867677), (2121, 622559), (4949, 266811), (14847, 88937)]