1621529

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:296

約数の個数: 16

約数和(自身を含む): 2026752

約数和(自身を除く): 405223

約数列:

[1, 7, 13, 91, 103, 173, 721, 1211, 1339, 2249, 9373, 15743, 17819, 124733, 231647, 1621529]

約数ペア:

[(1, 1621529), (7, 231647), (13, 124733), (91, 17819), (103, 15743), (173, 9373), (721, 2249), (1211, 1339)]