15138915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 28089600

約数和(自身を除く): 12950685

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 121, 165, 209, 285, 363, 439, 605, 627, 1045, 1317, 1815, 2195, 2299, 3135, 4829, 6585, 6897, 8341, 11495, 14487, 24145, 25023, 34485, 41705, 53119, 72435, 91751, 125115, 159357, 265595, 275253, 458755, 796785, 1009261, 1376265, 3027783, 5046305, 15138915]

約数ペア:

[(1, 15138915), (3, 5046305), (5, 3027783), (11, 1376265), (15, 1009261), (19, 796785), (33, 458755), (55, 275253), (57, 265595), (95, 159357), (121, 125115), (165, 91751), (209, 72435), (285, 53119), (363, 41705), (439, 34485), (605, 25023), (627, 24145), (1045, 14487), (1317, 11495), (1815, 8341), (2195, 6897), (2299, 6585), (3135, 4829)]