30257451

素因数分解:

$3^2\times 7^2\times {\mathrm{68611}}^1$

素因数の和:68631

約数の個数: 18

約数和(自身を含む): 50841492

約数和(自身を除く): 20584041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 68611, 205833, 480277, 617499, 1440831, 3361939, 4322493, 10085817, 30257451]

約数ペア:

[(1, 30257451), (3, 10085817), (7, 4322493), (9, 3361939), (21, 1440831), (49, 617499), (63, 480277), (147, 205833), (441, 68611)]