28656831

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 45043200

約数和(自身を除く): 16386369

約数列:

[1, 3, 7, 21, 59, 101, 177, 229, 303, 413, 687, 707, 1239, 1603, 2121, 4809, 5959, 13511, 17877, 23129, 40533, 41713, 69387, 94577, 125139, 161903, 283731, 485709, 1364611, 4093833, 9552277, 28656831]

約数ペア:

[(1, 28656831), (3, 9552277), (7, 4093833), (21, 1364611), (59, 485709), (101, 283731), (177, 161903), (229, 125139), (303, 94577), (413, 69387), (687, 41713), (707, 40533), (1239, 23129), (1603, 17877), (2121, 13511), (4809, 5959)]