261511041

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3691}}^1$

素因数の和:3837

約数の個数: 32

約数和(自身を含む): 404052480

約数和(自身を除く): 142541439

約数列:

[1, 3, 11, 19, 33, 57, 113, 209, 339, 627, 1243, 2147, 3691, 3729, 6441, 11073, 23617, 40601, 70129, 70851, 121803, 210387, 417083, 771419, 1251249, 2314257, 4587913, 7924577, 13763739, 23773731, 87170347, 261511041]

約数ペア:

[(1, 261511041), (3, 87170347), (11, 23773731), (19, 13763739), (33, 7924577), (57, 4587913), (113, 2314257), (209, 1251249), (339, 771419), (627, 417083), (1243, 210387), (2147, 121803), (3691, 70851), (3729, 70129), (6441, 40601), (11073, 23617)]