81171330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87281}}^1$

素因数の和:87322

約数の個数: 32

約数和(自身を含む): 201097728

約数和(自身を除く): 119926398

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 87281, 174562, 261843, 436405, 523686, 872810, 1309215, 2618430, 2705711, 5411422, 8117133, 13528555, 16234266, 27057110, 40585665, 81171330]

約数ペア:

[(1, 81171330), (2, 40585665), (3, 27057110), (5, 16234266), (6, 13528555), (10, 8117133), (15, 5411422), (30, 2705711), (31, 2618430), (62, 1309215), (93, 872810), (155, 523686), (186, 436405), (310, 261843), (465, 174562), (930, 87281)]