9890111

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 12804480

約数和(自身を除く): 2914369

約数列:

[1, 7, 11, 49, 59, 77, 311, 413, 539, 649, 2177, 2891, 3421, 4543, 15239, 18349, 23947, 31801, 128443, 167629, 201839, 899101, 1412873, 9890111]

約数ペア:

[(1, 9890111), (7, 1412873), (11, 899101), (49, 201839), (59, 167629), (77, 128443), (311, 31801), (413, 23947), (539, 18349), (649, 15239), (2177, 4543), (2891, 3421)]