28292019

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{13339}}^1$

素因数の和:13450

約数の個数: 16

約数和(自身を含む): 43541760

約数和(自身を除く): 15249741

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 13339, 40017, 93373, 280119, 1347239, 4041717, 9430673, 28292019]

約数ペア:

[(1, 28292019), (3, 9430673), (7, 4041717), (21, 1347239), (101, 280119), (303, 93373), (707, 40017), (2121, 13339)]