15375843

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4001}}^1$

素因数の和:4075

約数の個数: 24

約数和(自身を含む): 25804896

約数和(自身を除く): 10429053

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4001, 12003, 28007, 36009, 84021, 244061, 252063, 732183, 1708427, 2196549, 5125281, 15375843]

約数ペア:

[(1, 15375843), (3, 5125281), (7, 2196549), (9, 1708427), (21, 732183), (61, 252063), (63, 244061), (183, 84021), (427, 36009), (549, 28007), (1281, 12003), (3843, 4001)]