87837975

素因数分解:

$3^2\times 5^2\times {\mathrm{390391}}^1$

素因数の和:390407

約数の個数: 18

約数和(自身を含む): 157327976

約数和(自身を除く): 69490001

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 390391, 1171173, 1951955, 3513519, 5855865, 9759775, 17567595, 29279325, 87837975]

約数ペア:

[(1, 87837975), (3, 29279325), (5, 17567595), (9, 9759775), (15, 5855865), (25, 3513519), (45, 1951955), (75, 1171173), (225, 390391)]