1221297325

素因数分解:

$5^2\times {\mathrm{1151}}^1\times {\mathrm{42443}}^1$

素因数の和:43604

約数の個数: 12

約数和(自身を含む): 1515760128

約数和(自身を除く): 294462803

約数列:

[1, 5, 25, 1151, 5755, 28775, 42443, 212215, 1061075, 48851893, 244259465, 1221297325]

約数ペア:

[(1, 1221297325), (5, 244259465), (25, 48851893), (1151, 1061075), (5755, 212215), (28775, 42443)]