68455815

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 111672000

約数和(自身を除く): 43216185

約数列:

[1, 3, 5, 15, 109, 149, 281, 327, 447, 545, 745, 843, 1405, 1635, 2235, 4215, 16241, 30629, 41869, 48723, 81205, 91887, 125607, 153145, 209345, 243615, 459435, 628035, 4563721, 13691163, 22818605, 68455815]

約数ペア:

[(1, 68455815), (3, 22818605), (5, 13691163), (15, 4563721), (109, 628035), (149, 459435), (281, 243615), (327, 209345), (447, 153145), (545, 125607), (745, 91887), (843, 81205), (1405, 48723), (1635, 41869), (2235, 30629), (4215, 16241)]