28281021

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7417}}^1$

素因数の和:7492

約数の個数: 16

約数和(自身を含む): 39879168

約数和(自身を除く): 11598147

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 7417, 22251, 229927, 304097, 689781, 912291, 9427007, 28281021]

約数ペア:

[(1, 28281021), (3, 9427007), (31, 912291), (41, 689781), (93, 304097), (123, 229927), (1271, 22251), (3813, 7417)]