205120003

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{13291}}^1$

素因数の和:13386

約数の個数: 16

約数和(自身を含む): 237341952

約数和(自身を除く): 32221949

約数列:

[1, 11, 23, 61, 253, 671, 1403, 13291, 15433, 146201, 305693, 810751, 3362623, 8918261, 18647273, 205120003]

約数ペア:

[(1, 205120003), (11, 18647273), (23, 8918261), (61, 3362623), (253, 810751), (671, 305693), (1403, 146201), (13291, 15433)]