17640873

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 27218880

約数和(自身を除く): 9578007

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 1453, 4047, 4359, 12141, 13077, 27607, 82821, 103163, 248463, 309489, 928467, 1960097, 5880291, 17640873]

約数ペア:

[(1, 17640873), (3, 5880291), (9, 1960097), (19, 928467), (57, 309489), (71, 248463), (171, 103163), (213, 82821), (639, 27607), (1349, 13077), (1453, 12141), (4047, 4359)]