13720641

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 21350400

約数和(自身を除く): 7629759

約数列:

[1, 3, 11, 19, 33, 57, 79, 209, 237, 277, 627, 831, 869, 1501, 2607, 3047, 4503, 5263, 9141, 15789, 16511, 21883, 49533, 57893, 65649, 173679, 240713, 415777, 722139, 1247331, 4573547, 13720641]

約数ペア:

[(1, 13720641), (3, 4573547), (11, 1247331), (19, 722139), (33, 415777), (57, 240713), (79, 173679), (209, 65649), (237, 57893), (277, 49533), (627, 21883), (831, 16511), (869, 15789), (1501, 9141), (2607, 5263), (3047, 4503)]