81187995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18859}}^1$

素因数の和:18915

約数の個数: 32

約数和(自身を含む): 152087040

約数和(自身を除く): 70899045

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 18859, 56577, 94295, 132013, 282885, 396039, 660065, 773219, 1980195, 2319657, 3866095, 5412533, 11598285, 16237599, 27062665, 81187995]

約数ペア:

[(1, 81187995), (3, 27062665), (5, 16237599), (7, 11598285), (15, 5412533), (21, 3866095), (35, 2319657), (41, 1980195), (105, 773219), (123, 660065), (205, 396039), (287, 282885), (615, 132013), (861, 94295), (1435, 56577), (4305, 18859)]