61661205

素因数分解:

$3^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1669}}^1$

素因数の和:2501

約数の個数: 24

約数和(自身を含む): 107073720

約数和(自身を除く): 45412515

約数列:

[1, 3, 5, 9, 15, 45, 821, 1669, 2463, 4105, 5007, 7389, 8345, 12315, 15021, 25035, 36945, 75105, 1370249, 4110747, 6851245, 12332241, 20553735, 61661205]

約数ペア:

[(1, 61661205), (3, 20553735), (5, 12332241), (9, 6851245), (15, 4110747), (45, 1370249), (821, 75105), (1669, 36945), (2463, 25035), (4105, 15021), (5007, 12315), (7389, 8345)]