71717925

素因数分解:

$3^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{4001}}^1$

素因数の和:4253

約数の個数: 24

約数和(自身を含む): 119099520

約数和(自身を除く): 47381595

約数列:

[1, 3, 5, 15, 25, 75, 239, 717, 1195, 3585, 4001, 5975, 12003, 17925, 20005, 60015, 100025, 300075, 956239, 2868717, 4781195, 14343585, 23905975, 71717925]

約数ペア:

[(1, 71717925), (3, 23905975), (5, 14343585), (15, 4781195), (25, 2868717), (75, 956239), (239, 300075), (717, 100025), (1195, 60015), (3585, 20005), (4001, 17925), (5975, 12003)]