155917785

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4561}}^1$

素因数の和:4665

約数の個数: 32

約数和(自身を含む): 260143488

約数和(自身を除く): 104225703

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 645, 795, 2279, 4561, 6837, 11395, 13683, 22805, 34185, 68415, 196123, 241733, 588369, 725199, 980615, 1208665, 2941845, 3625995, 10394519, 31183557, 51972595, 155917785]

約数ペア:

[(1, 155917785), (3, 51972595), (5, 31183557), (15, 10394519), (43, 3625995), (53, 2941845), (129, 1208665), (159, 980615), (215, 725199), (265, 588369), (645, 241733), (795, 196123), (2279, 68415), (4561, 34185), (6837, 22805), (11395, 13683)]