27858915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1499}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 56160000

約数和(自身を除く): 28301085

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 59, 63, 105, 177, 295, 315, 413, 531, 885, 1239, 1499, 2065, 2655, 3717, 4497, 6195, 7495, 10493, 13491, 18585, 22485, 31479, 52465, 67455, 88441, 94437, 157395, 265323, 442205, 472185, 619087, 795969, 1326615, 1857261, 3095435, 3979845, 5571783, 9286305, 27858915]

約数ペア:

[(1, 27858915), (3, 9286305), (5, 5571783), (7, 3979845), (9, 3095435), (15, 1857261), (21, 1326615), (35, 795969), (45, 619087), (59, 472185), (63, 442205), (105, 265323), (177, 157395), (295, 94437), (315, 88441), (413, 67455), (531, 52465), (885, 31479), (1239, 22485), (1499, 18585), (2065, 13491), (2655, 10493), (3717, 7495), (4497, 6195)]