641572173

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{1657}}^1\times {\mathrm{3911}}^1$

素因数の和:5585

約数の個数: 24

約数和(自身を含む): 1011830976

約数和(自身を除く): 370258803

約数列:

[1, 3, 9, 11, 33, 99, 1657, 3911, 4971, 11733, 14913, 18227, 35199, 43021, 54681, 129063, 164043, 387189, 6480527, 19441581, 58324743, 71285797, 213857391, 641572173]

約数ペア:

[(1, 641572173), (3, 213857391), (9, 71285797), (11, 58324743), (33, 19441581), (99, 6480527), (1657, 387189), (3911, 164043), (4971, 129063), (11733, 54681), (14913, 43021), (18227, 35199)]