28805829

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 43021440

約数和(自身を除く): 14215611

約数列:

[1, 3, 13, 39, 43, 89, 129, 193, 267, 559, 579, 1157, 1677, 2509, 3471, 3827, 7527, 8299, 11481, 17177, 24897, 49751, 51531, 107887, 149253, 223301, 323661, 669903, 738611, 2215833, 9601943, 28805829]

約数ペア:

[(1, 28805829), (3, 9601943), (13, 2215833), (39, 738611), (43, 669903), (89, 323661), (129, 223301), (193, 149253), (267, 107887), (559, 51531), (579, 49751), (1157, 24897), (1677, 17177), (2509, 11481), (3471, 8299), (3827, 7527)]