157021659

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{8693}}^1$

素因数の和:8928

約数の個数: 20

約数和(自身を含む): 235642176

約数和(自身を除く): 78620517

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 6021, 8693, 18063, 26079, 78237, 234711, 704133, 1938539, 5815617, 17446851, 52340553, 157021659]

約数ペア:

[(1, 157021659), (3, 52340553), (9, 17446851), (27, 5815617), (81, 1938539), (223, 704133), (669, 234711), (2007, 78237), (6021, 26079), (8693, 18063)]