287718741

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{349}}^1\times {\mathrm{659}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 420420000

約数和(自身を除く): 132701259

約数列:

[1, 3, 9, 139, 349, 417, 659, 1047, 1251, 1977, 3141, 5931, 48511, 91601, 145533, 229991, 274803, 436599, 689973, 824409, 2069919, 31968749, 95906247, 287718741]

約数ペア:

[(1, 287718741), (3, 95906247), (9, 31968749), (139, 2069919), (349, 824409), (417, 689973), (659, 436599), (1047, 274803), (1251, 229991), (1977, 145533), (3141, 91601), (5931, 48511)]