77881875

素因数分解:

$3^1\times 5^4\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:665

約数の個数: 40

約数和(自身を含む): 131770320

約数和(自身を除く): 53888445

約数列:

[1, 3, 5, 15, 25, 73, 75, 125, 219, 365, 375, 569, 625, 1095, 1707, 1825, 1875, 2845, 5475, 8535, 9125, 14225, 27375, 41537, 42675, 45625, 71125, 124611, 136875, 207685, 213375, 355625, 623055, 1038425, 1066875, 3115275, 5192125, 15576375, 25960625, 77881875]

約数ペア:

[(1, 77881875), (3, 25960625), (5, 15576375), (15, 5192125), (25, 3115275), (73, 1066875), (75, 1038425), (125, 623055), (219, 355625), (365, 213375), (375, 207685), (569, 136875), (625, 124611), (1095, 71125), (1707, 45625), (1825, 42675), (1875, 41537), (2845, 27375), (5475, 14225), (8535, 9125)]