11211121

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 12254400

約数和(自身を除く): 1043279

約数列:

[1, 19, 59, 73, 137, 1121, 1387, 2603, 4307, 8083, 10001, 81833, 153577, 190019, 590059, 11211121]

約数ペア:

[(1, 11211121), (19, 590059), (59, 190019), (73, 153577), (137, 81833), (1121, 10001), (1387, 8083), (2603, 4307)]