38821815

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12503}}^1$

素因数の和:12540

約数の個数: 32

約数和(自身を含む): 72023040

約数和(自身を除く): 33201225

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 12503, 37509, 62515, 112527, 187545, 287569, 337581, 562635, 862707, 1437845, 1687905, 2588121, 4313535, 7764363, 12940605, 38821815]

約数ペア:

[(1, 38821815), (3, 12940605), (5, 7764363), (9, 4313535), (15, 2588121), (23, 1687905), (27, 1437845), (45, 862707), (69, 562635), (115, 337581), (135, 287569), (207, 187545), (345, 112527), (621, 62515), (1035, 37509), (3105, 12503)]