281768895

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48539}}^1$

素因数の和:48596

約数の個数: 32

約数和(自身を含む): 512582400

約数和(自身を除く): 230813505

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 48539, 145617, 242695, 436851, 728085, 1310553, 2087177, 2184255, 6261531, 6552765, 10435885, 18784593, 31307655, 56353779, 93922965, 281768895]

約数ペア:

[(1, 281768895), (3, 93922965), (5, 56353779), (9, 31307655), (15, 18784593), (27, 10435885), (43, 6552765), (45, 6261531), (129, 2184255), (135, 2087177), (215, 1310553), (387, 728085), (645, 436851), (1161, 242695), (1935, 145617), (5805, 48539)]