25981131

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 13555509

約数列:

[1, 3, 11, 31, 33, 93, 109, 233, 327, 341, 699, 1023, 1199, 2563, 3379, 3597, 7223, 7689, 10137, 21669, 25397, 37169, 76191, 79453, 111507, 238359, 279367, 787307, 838101, 2361921, 8660377, 25981131]

約数ペア:

[(1, 25981131), (3, 8660377), (11, 2361921), (31, 838101), (33, 787307), (93, 279367), (109, 238359), (233, 111507), (327, 79453), (341, 76191), (699, 37169), (1023, 25397), (1199, 21669), (2563, 10137), (3379, 7689), (3597, 7223)]