78200025

素因数分解:

$3^1\times 5^2\times {\mathrm{487}}^1\times {\mathrm{2141}}^1$

素因数の和:2641

約数の個数: 24

約数和(自身を含む): 129616704

約数和(自身を除く): 51416679

約数列:

[1, 3, 5, 15, 25, 75, 487, 1461, 2141, 2435, 6423, 7305, 10705, 12175, 32115, 36525, 53525, 160575, 1042667, 3128001, 5213335, 15640005, 26066675, 78200025]

約数ペア:

[(1, 78200025), (3, 26066675), (5, 15640005), (15, 5213335), (25, 3128001), (75, 1042667), (487, 160575), (1461, 53525), (2141, 36525), (2435, 32115), (6423, 12175), (7305, 10705)]