87756309

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 129110592

約数和(自身を除く): 41354283

約数列:

[1, 3, 9, 103, 137, 309, 411, 691, 927, 1233, 2073, 6219, 14111, 42333, 71173, 94667, 126999, 213519, 284001, 640557, 852003, 9750701, 29252103, 87756309]

約数ペア:

[(1, 87756309), (3, 29252103), (9, 9750701), (103, 852003), (137, 640557), (309, 284001), (411, 213519), (691, 126999), (927, 94667), (1233, 71173), (2073, 42333), (6219, 14111)]