77964375

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 133057408

約数和(自身を除く): 55093033

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 625, 645, 967, 1075, 1875, 2901, 3225, 4835, 5375, 14505, 16125, 24175, 26875, 41581, 72525, 80625, 120875, 124743, 207905, 362625, 604375, 623715, 1039525, 1813125, 3118575, 5197625, 15592875, 25988125, 77964375]

約数ペア:

[(1, 77964375), (3, 25988125), (5, 15592875), (15, 5197625), (25, 3118575), (43, 1813125), (75, 1039525), (125, 623715), (129, 604375), (215, 362625), (375, 207905), (625, 124743), (645, 120875), (967, 80625), (1075, 72525), (1875, 41581), (2901, 26875), (3225, 24175), (4835, 16125), (5375, 14505)]