156747555

素因数分解:

$3^4\times 5^1\times {\mathrm{387031}}^1$

素因数の和:387048

約数の個数: 20

約数和(自身を含む): 280985232

約数和(自身を除く): 124237677

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387031, 1161093, 1935155, 3483279, 5805465, 10449837, 17416395, 31349511, 52249185, 156747555]

約数ペア:

[(1, 156747555), (3, 52249185), (5, 31349511), (9, 17416395), (15, 10449837), (27, 5805465), (45, 3483279), (81, 1935155), (135, 1161093), (405, 387031)]