253734765

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 411689856

約数和(自身を除く): 157955091

約数列:

[1, 3, 5, 15, 157, 163, 471, 489, 661, 785, 815, 1983, 2355, 2445, 3305, 9915, 25591, 76773, 103777, 107743, 127955, 311331, 323229, 383865, 518885, 538715, 1556655, 1616145, 16915651, 50746953, 84578255, 253734765]

約数ペア:

[(1, 253734765), (3, 84578255), (5, 50746953), (15, 16915651), (157, 1616145), (163, 1556655), (471, 538715), (489, 518885), (661, 383865), (785, 323229), (815, 311331), (1983, 127955), (2355, 107743), (2445, 103777), (3305, 76773), (9915, 25591)]