85877169

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2131}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 139176960

約数和(自身を除く): 53299791

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 707, 1919, 2121, 2131, 5757, 6393, 13433, 14917, 40299, 40489, 44751, 121467, 215231, 283423, 645693, 850269, 1506617, 4089389, 4519851, 12268167, 28625723, 85877169]

約数ペア:

[(1, 85877169), (3, 28625723), (7, 12268167), (19, 4519851), (21, 4089389), (57, 1506617), (101, 850269), (133, 645693), (303, 283423), (399, 215231), (707, 121467), (1919, 44751), (2121, 40489), (2131, 40299), (5757, 14917), (6393, 13433)]