81115665

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{88651}}^1$

素因数の和:88720

約数の個数: 16

約数和(自身を含む): 131914176

約数和(自身を除く): 50798511

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 88651, 265953, 443255, 1329765, 5407711, 16223133, 27038555, 81115665]

約数ペア:

[(1, 81115665), (3, 27038555), (5, 16223133), (15, 5407711), (61, 1329765), (183, 443255), (305, 265953), (915, 88651)]