81255369

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 118261920

約数和(自身を除く): 37006551

約数列:

[1, 3, 13, 39, 139, 169, 417, 507, 1153, 1807, 3459, 5421, 14989, 23491, 44967, 70473, 160267, 194857, 480801, 584571, 2083471, 6250413, 27085123, 81255369]

約数ペア:

[(1, 81255369), (3, 27085123), (13, 6250413), (39, 2083471), (139, 584571), (169, 480801), (417, 194857), (507, 160267), (1153, 70473), (1807, 44967), (3459, 23491), (5421, 14989)]