55721253

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{13469}}^1$

素因数の和:13676

約数の個数: 16

約数和(自身を含む): 85345920

約数和(自身を除く): 29624667

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 13469, 40407, 94283, 282849, 2653393, 7960179, 18573751, 55721253]

約数ペア:

[(1, 55721253), (3, 18573751), (7, 7960179), (21, 2653393), (197, 282849), (591, 94283), (1379, 40407), (4137, 13469)]