1661569209

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{43573}}^1$

素因数の和:43821

約数の個数: 24

約数和(自身を含む): 2537749760

約数和(自身を除く): 876180551

約数列:

[1, 3, 9, 19, 57, 171, 223, 669, 2007, 4237, 12711, 38133, 43573, 130719, 392157, 827887, 2483661, 7450983, 9716779, 29150337, 87451011, 184618801, 553856403, 1661569209]

約数ペア:

[(1, 1661569209), (3, 553856403), (9, 184618801), (19, 87451011), (57, 29150337), (171, 9716779), (223, 7450983), (669, 2483661), (2007, 827887), (4237, 392157), (12711, 130719), (38133, 43573)]