20161609905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9319}}^1\times {\mathrm{6271}}^1$

素因数の和:15621

約数の個数: 32

約数和(自身を含む): 33670103040

約数和(自身を除く): 13508493135

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 6271, 9319, 18813, 27957, 31355, 46595, 94065, 139785, 144233, 214337, 432699, 643011, 721165, 1071685, 2163495, 3215055, 58439449, 175318347, 292197245, 876591735, 1344107327, 4032321981, 6720536635, 20161609905]

約数ペア:

[(1, 20161609905), (3, 6720536635), (5, 4032321981), (15, 1344107327), (23, 876591735), (69, 292197245), (115, 175318347), (345, 58439449), (6271, 3215055), (9319, 2163495), (18813, 1071685), (27957, 721165), (31355, 643011), (46595, 432699), (94065, 214337), (139785, 144233)]