2153109

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 3396288

約数和(自身を除く): 1243179

約数列:

[1, 3, 7, 21, 49, 97, 147, 151, 291, 453, 679, 1057, 2037, 3171, 4753, 7399, 14259, 14647, 22197, 43941, 102529, 307587, 717703, 2153109]

約数ペア:

[(1, 2153109), (3, 717703), (7, 307587), (21, 102529), (49, 43941), (97, 22197), (147, 14647), (151, 14259), (291, 7399), (453, 4753), (679, 3171), (1057, 2037)]