668506275

素因数分解:

$3^2\times 5^2\times {\mathrm{2971139}}^1$

素因数の和:2971155

約数の個数: 18

約数和(自身を含む): 1197369420

約数和(自身を除く): 528863145

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 2971139, 8913417, 14855695, 26740251, 44567085, 74278475, 133701255, 222835425, 668506275]

約数ペア:

[(1, 668506275), (3, 222835425), (5, 133701255), (9, 74278475), (15, 44567085), (25, 26740251), (45, 14855695), (75, 8913417), (225, 2971139)]