28503531

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7417}}^1$

素因数の和:7491

約数の個数: 24

約数和(自身を含む): 47831264

約数和(自身を除く): 19327733

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7417, 22251, 51919, 66753, 155757, 452437, 467271, 1357311, 3167059, 4071933, 9501177, 28503531]

約数ペア:

[(1, 28503531), (3, 9501177), (7, 4071933), (9, 3167059), (21, 1357311), (61, 467271), (63, 452437), (183, 155757), (427, 66753), (549, 51919), (1281, 22251), (3843, 7417)]