247202955

素因数分解:

$3^3\times 5^1\times {\mathrm{1831133}}^1$

素因数の和:1831147

約数の個数: 16

約数和(自身を含む): 439472160

約数和(自身を除く): 192269205

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1831133, 5493399, 9155665, 16480197, 27466995, 49440591, 82400985, 247202955]

約数ペア:

[(1, 247202955), (3, 82400985), (5, 49440591), (9, 27466995), (15, 16480197), (27, 9155665), (45, 5493399), (135, 1831133)]