68108781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 101445120

約数和(自身を除く): 33336339

約数列:

[1, 3, 13, 39, 47, 73, 141, 219, 509, 611, 949, 1527, 1833, 2847, 3431, 6617, 10293, 19851, 23923, 37157, 44603, 71769, 111471, 133809, 310999, 483041, 932997, 1449123, 1746379, 5239137, 22702927, 68108781]

約数ペア:

[(1, 68108781), (3, 22702927), (13, 5239137), (39, 1746379), (47, 1449123), (73, 932997), (141, 483041), (219, 310999), (509, 133809), (611, 111471), (949, 71769), (1527, 44603), (1833, 37157), (2847, 23923), (3431, 19851), (6617, 10293)]