27898365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 23812035

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 121, 165, 209, 285, 363, 605, 627, 809, 1045, 1815, 2299, 2427, 3135, 4045, 6897, 8899, 11495, 12135, 15371, 26697, 34485, 44495, 46113, 76855, 97889, 133485, 169081, 230565, 293667, 489445, 507243, 845405, 1468335, 1859891, 2536215, 5579673, 9299455, 27898365]

約数ペア:

[(1, 27898365), (3, 9299455), (5, 5579673), (11, 2536215), (15, 1859891), (19, 1468335), (33, 845405), (55, 507243), (57, 489445), (95, 293667), (121, 230565), (165, 169081), (209, 133485), (285, 97889), (363, 76855), (605, 46113), (627, 44495), (809, 34485), (1045, 26697), (1815, 15371), (2299, 12135), (2427, 11495), (3135, 8899), (4045, 6897)]