231631257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3121}}^1$

素因数の和:3321

約数の個数: 32

約数和(自身を含む): 365049216

約数和(自身を除く): 133417959

約数列:

[1, 3, 11, 13, 33, 39, 143, 173, 429, 519, 1903, 2249, 3121, 5709, 6747, 9363, 24739, 34331, 40573, 74217, 102993, 121719, 446303, 539933, 1338909, 1619799, 5939263, 7019129, 17817789, 21057387, 77210419, 231631257]

約数ペア:

[(1, 231631257), (3, 77210419), (11, 21057387), (13, 17817789), (33, 7019129), (39, 5939263), (143, 1619799), (173, 1338909), (429, 539933), (519, 446303), (1903, 121719), (2249, 102993), (3121, 74217), (5709, 40573), (6747, 34331), (9363, 24739)]