490204083

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1443

約数の個数: 32

約数和(自身を含む): 705494016

約数和(自身を除く): 215289933

約数列:

[1, 3, 23, 37, 69, 111, 157, 471, 851, 1223, 2553, 3611, 3669, 5809, 10833, 17427, 28129, 45251, 84387, 133607, 135753, 192011, 400821, 576033, 1040773, 3122319, 4416253, 7104407, 13248759, 21313221, 163401361, 490204083]

約数ペア:

[(1, 490204083), (3, 163401361), (23, 21313221), (37, 13248759), (69, 7104407), (111, 4416253), (157, 3122319), (471, 1040773), (851, 576033), (1223, 400821), (2553, 192011), (3611, 135753), (3669, 133607), (5809, 84387), (10833, 45251), (17427, 28129)]