156742744005

素因数分解:

$3^4\times 5^1\times {\mathrm{387019121}}^1$

素因数の和:387019138

約数の個数: 20

約数和(自身を含む): 280975882572

約数和(自身を除く): 124233138567

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387019121, 1161057363, 1935095605, 3483172089, 5805286815, 10449516267, 17415860445, 31348548801, 52247581335, 156742744005]

約数ペア:

[(1, 156742744005), (3, 52247581335), (5, 31348548801), (9, 17415860445), (15, 10449516267), (27, 5805286815), (45, 3483172089), (81, 1935095605), (135, 1161057363), (405, 387019121)]