2180101

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 2838528

約数和(自身を除く): 658427

約数列:

[1, 7, 11, 23, 77, 161, 253, 1231, 1771, 8617, 13541, 28313, 94787, 198191, 311443, 2180101]

約数ペア:

[(1, 2180101), (7, 311443), (11, 198191), (23, 94787), (77, 28313), (161, 13541), (253, 8617), (1231, 1771)]