1331221275

素因数分解:

$3^2\times 5^2\times {\mathrm{5916539}}^1$

素因数の和:5916555

約数の個数: 18

約数和(自身を含む): 2384365620

約数和(自身を除く): 1053144345

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 5916539, 17749617, 29582695, 53248851, 88748085, 147913475, 266244255, 443740425, 1331221275]

約数ペア:

[(1, 1331221275), (3, 443740425), (5, 266244255), (9, 147913475), (15, 88748085), (25, 53248851), (45, 29582695), (75, 17749617), (225, 5916539)]