81057135

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{14969}}^1$

素因数の和:15015

約数の個数: 24

約数和(自身を含む): 136885680

約数和(自身を除く): 55828545

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5415, 14969, 44907, 74845, 224535, 284411, 853233, 1422055, 4266165, 5403809, 16211427, 27019045, 81057135]

約数ペア:

[(1, 81057135), (3, 27019045), (5, 16211427), (15, 5403809), (19, 4266165), (57, 1422055), (95, 853233), (285, 284411), (361, 224535), (1083, 74845), (1805, 44907), (5415, 14969)]