78467913

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 120806400

約数和(自身を除く): 42338487

約数列:

[1, 3, 9, 27, 31, 93, 241, 279, 389, 723, 837, 1167, 2169, 3501, 6507, 7471, 10503, 12059, 22413, 36177, 67239, 93749, 108531, 201717, 281247, 325593, 843741, 2531223, 2906219, 8718657, 26155971, 78467913]

約数ペア:

[(1, 78467913), (3, 26155971), (9, 8718657), (27, 2906219), (31, 2531223), (93, 843741), (241, 325593), (279, 281247), (389, 201717), (723, 108531), (837, 93749), (1167, 67239), (2169, 36177), (3501, 22413), (6507, 12059), (7471, 10503)]