30605841

素因数分解:

$3^2\times 7^2\times {\mathrm{69401}}^1$

素因数の和:69421

約数の個数: 18

約数和(自身を含む): 51426882

約数和(自身を除く): 20821041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 69401, 208203, 485807, 624609, 1457421, 3400649, 4372263, 10201947, 30605841]

約数ペア:

[(1, 30605841), (3, 10201947), (7, 4372263), (9, 3400649), (21, 1457421), (49, 624609), (63, 485807), (147, 208203), (441, 69401)]