71272725

素因数分解:

$3^1\times 5^2\times {\mathrm{509}}^1\times {\mathrm{1867}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 118132320

約数和(自身を除く): 46859595

約数列:

[1, 3, 5, 15, 25, 75, 509, 1527, 1867, 2545, 5601, 7635, 9335, 12725, 28005, 38175, 46675, 140025, 950303, 2850909, 4751515, 14254545, 23757575, 71272725]

約数ペア:

[(1, 71272725), (3, 23757575), (5, 14254545), (15, 4751515), (25, 2850909), (75, 950303), (509, 140025), (1527, 46675), (1867, 38175), (2545, 28005), (5601, 12725), (7635, 9335)]