71988225

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{5303}}^1$

素因数の和:5497

約数の個数: 24

約数和(自身を含む): 119700672

約数和(自身を除く): 47712447

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 2715, 4525, 5303, 13575, 15909, 26515, 79545, 132575, 397725, 959843, 2879529, 4799215, 14397645, 23996075, 71988225]

約数ペア:

[(1, 71988225), (3, 23996075), (5, 14397645), (15, 4799215), (25, 2879529), (75, 959843), (181, 397725), (543, 132575), (905, 79545), (2715, 26515), (4525, 15909), (5303, 13575)]