77881275

素因数分解:

$3^2\times 5^2\times {\mathrm{346139}}^1$

素因数の和:346155

約数の個数: 18

約数和(自身を含む): 139494420

約数和(自身を除く): 61613145

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 346139, 1038417, 1730695, 3115251, 5192085, 8653475, 15576255, 25960425, 77881275]

約数ペア:

[(1, 77881275), (3, 25960425), (5, 15576255), (9, 8653475), (15, 5192085), (25, 3115251), (45, 1730695), (75, 1038417), (225, 346139)]