747705285

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{386411}}^1$

素因数の和:386465

約数の個数: 24

約数和(自身を含む): 1326165984

約数和(自身を除く): 578460699

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 386411, 1159233, 1932055, 3477699, 5796165, 16615673, 17388495, 49847019, 83078365, 149541057, 249235095, 747705285]

約数ペア:

[(1, 747705285), (3, 249235095), (5, 149541057), (9, 83078365), (15, 49847019), (43, 17388495), (45, 16615673), (129, 5796165), (215, 3477699), (387, 1932055), (645, 1159233), (1935, 386411)]