81628301

素因数分解:

${\mathrm{29}}^2\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 18

約数和(自身を含む): 88220106

約数和(自身を除く): 6591805

約数列:

[1, 29, 31, 101, 841, 899, 961, 2929, 3131, 26071, 27869, 84941, 90799, 97061, 808201, 2633171, 2814769, 81628301]

約数ペア:

[(1, 81628301), (29, 2814769), (31, 2633171), (101, 808201), (841, 97061), (899, 90799), (961, 84941), (2929, 27869), (3131, 26071)]