215081999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{17047}}^1$

素因数の和:17126

約数の個数: 16

約数和(自身を含む): 248764416

約数和(自身を除く): 33682417

約数列:

[1, 11, 31, 37, 341, 407, 1147, 12617, 17047, 187517, 528457, 630739, 5813027, 6938129, 19552909, 215081999]

約数ペア:

[(1, 215081999), (11, 19552909), (31, 6938129), (37, 5813027), (341, 630739), (407, 528457), (1147, 187517), (12617, 17047)]