388628175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{30661}}^1$

素因数の和:30700

約数の個数: 36

約数和(自身を含む): 695782104

約数和(自身を除く): 307153929

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 975, 2535, 4225, 12675, 30661, 91983, 153305, 398593, 459915, 766525, 1195779, 1992965, 2299575, 5181709, 5978895, 9964825, 15545127, 25908545, 29894475, 77725635, 129542725, 388628175]

約数ペア:

[(1, 388628175), (3, 129542725), (5, 77725635), (13, 29894475), (15, 25908545), (25, 15545127), (39, 9964825), (65, 5978895), (75, 5181709), (169, 2299575), (195, 1992965), (325, 1195779), (507, 766525), (845, 459915), (975, 398593), (2535, 153305), (4225, 91983), (12675, 30661)]