13857155

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 36

約数和(自身を含む): 19430208

約数和(自身を除く): 5573053

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 169, 299, 403, 529, 713, 845, 1495, 2015, 2645, 3565, 3887, 5239, 6877, 9269, 16399, 19435, 26195, 34385, 46345, 81995, 89401, 120497, 213187, 447005, 602485, 1065935, 2771431, 13857155]

約数ペア:

[(1, 13857155), (5, 2771431), (13, 1065935), (23, 602485), (31, 447005), (65, 213187), (115, 120497), (155, 89401), (169, 81995), (299, 46345), (403, 34385), (529, 26195), (713, 19435), (845, 16399), (1495, 9269), (2015, 6877), (2645, 5239), (3565, 3887)]