100404765

素因数分解:

$3^4\times 5^1\times {\mathrm{247913}}^1$

素因数の和:247930

約数の個数: 20

約数和(自身を含む): 179985564

約数和(自身を除く): 79580799

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 247913, 743739, 1239565, 2231217, 3718695, 6693651, 11156085, 20080953, 33468255, 100404765]

約数ペア:

[(1, 100404765), (3, 33468255), (5, 20080953), (9, 11156085), (15, 6693651), (27, 3718695), (45, 2231217), (81, 1239565), (135, 743739), (405, 247913)]