27971109

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 43344000

約数和(自身を除く): 15372891

約数列:

[1, 3, 9, 27, 29, 87, 139, 257, 261, 417, 771, 783, 1251, 2313, 3753, 4031, 6939, 7453, 12093, 22359, 35723, 36279, 67077, 107169, 108837, 201231, 321507, 964521, 1035967, 3107901, 9323703, 27971109]

約数ペア:

[(1, 27971109), (3, 9323703), (9, 3107901), (27, 1035967), (29, 964521), (87, 321507), (139, 201231), (257, 108837), (261, 107169), (417, 67077), (771, 36279), (783, 35723), (1251, 22359), (2313, 12093), (3753, 7453), (4031, 6939)]