17980493805

素因数分解:

$3^4\times 5^1\times {\mathrm{44396281}}^1$

素因数の和:44396298

約数の個数: 20

約数和(自身を含む): 32231700732

約数和(自身を除く): 14251206927

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 44396281, 133188843, 221981405, 399566529, 665944215, 1198699587, 1997832645, 3596098761, 5993497935, 17980493805]

約数ペア:

[(1, 17980493805), (3, 5993497935), (5, 3596098761), (9, 1997832645), (15, 1198699587), (27, 665944215), (45, 399566529), (81, 221981405), (135, 133188843), (405, 44396281)]