3988905

素因数分解:

$3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{617}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 6407424

約数和(自身を除く): 2418519

約数列:

[1, 3, 5, 15, 431, 617, 1293, 1851, 2155, 3085, 6465, 9255, 265927, 797781, 1329635, 3988905]

約数ペア:

[(1, 3988905), (3, 1329635), (5, 797781), (15, 265927), (431, 9255), (617, 6465), (1293, 3085), (1851, 2155)]