18315765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 16278795

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 131, 195, 239, 393, 585, 655, 717, 1179, 1195, 1703, 1965, 2151, 3107, 3585, 5109, 5895, 8515, 9321, 10755, 15327, 15535, 25545, 27963, 31309, 46605, 76635, 93927, 139815, 156545, 281781, 407017, 469635, 1221051, 1408905, 2035085, 3663153, 6105255, 18315765]

約数ペア:

[(1, 18315765), (3, 6105255), (5, 3663153), (9, 2035085), (13, 1408905), (15, 1221051), (39, 469635), (45, 407017), (65, 281781), (117, 156545), (131, 139815), (195, 93927), (239, 76635), (393, 46605), (585, 31309), (655, 27963), (717, 25545), (1179, 15535), (1195, 15327), (1703, 10755), (1965, 9321), (2151, 8515), (3107, 5895), (3585, 5109)]