81108235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 29207285

約数列:

[1, 5, 13, 23, 65, 115, 227, 239, 299, 1135, 1195, 1495, 2951, 3107, 5221, 5497, 14755, 15535, 26105, 27485, 54253, 67873, 71461, 271265, 339365, 357305, 705289, 1247819, 3526445, 6239095, 16221647, 81108235]

約数ペア:

[(1, 81108235), (5, 16221647), (13, 6239095), (23, 3526445), (65, 1247819), (115, 705289), (227, 357305), (239, 339365), (299, 271265), (1135, 71461), (1195, 67873), (1495, 54253), (2951, 27485), (3107, 26105), (5221, 15535), (5497, 14755)]