18072945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 17307855

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1259, 1305, 1595, 2871, 3777, 4785, 6295, 11331, 13849, 14355, 18885, 36511, 41547, 56655, 69245, 109533, 124641, 182555, 207735, 328599, 401621, 547665, 623205, 1204863, 1642995, 2008105, 3614589, 6024315, 18072945]

約数ペア:

[(1, 18072945), (3, 6024315), (5, 3614589), (9, 2008105), (11, 1642995), (15, 1204863), (29, 623205), (33, 547665), (45, 401621), (55, 328599), (87, 207735), (99, 182555), (145, 124641), (165, 109533), (261, 69245), (319, 56655), (435, 41547), (495, 36511), (957, 18885), (1259, 14355), (1305, 13849), (1595, 11331), (2871, 6295), (3777, 4785)]