68995725

素因数分解:

$3^1\times 5^2\times {\mathrm{487}}^1\times {\mathrm{1889}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 114367680

約数和(自身を除く): 45371955

約数列:

[1, 3, 5, 15, 25, 75, 487, 1461, 1889, 2435, 5667, 7305, 9445, 12175, 28335, 36525, 47225, 141675, 919943, 2759829, 4599715, 13799145, 22998575, 68995725]

約数ペア:

[(1, 68995725), (3, 22998575), (5, 13799145), (15, 4599715), (25, 2759829), (75, 919943), (487, 141675), (1461, 47225), (1889, 36525), (2435, 28335), (5667, 12175), (7305, 9445)]