81216165

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{284969}}^1$

素因数の和:284996

約数の個数: 16

約数和(自身を含む): 136785600

約数和(自身を除く): 55569435

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 284969, 854907, 1424845, 4274535, 5414411, 16243233, 27072055, 81216165]

約数ペア:

[(1, 81216165), (3, 27072055), (5, 16243233), (15, 5414411), (19, 4274535), (57, 1424845), (95, 854907), (285, 284969)]