68664735

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9719}}^1$

素因数の和:9887

約数の個数: 24

約数和(自身を含む): 119789280

約数和(自身を除く): 51124545

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 9719, 29157, 48595, 87471, 145785, 437355, 1525883, 4577649, 7629415, 13732947, 22888245, 68664735]

約数ペア:

[(1, 68664735), (3, 22888245), (5, 13732947), (9, 7629415), (15, 4577649), (45, 1525883), (157, 437355), (471, 145785), (785, 87471), (1413, 48595), (2355, 29157), (7065, 9719)]