81528867

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{68111}}^1$

素因数の和:68143

約数の個数: 24

約数和(自身を含む): 141672960

約数和(自身を除く): 60144093

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 68111, 204333, 476777, 612999, 1294109, 1430331, 3882327, 4290993, 9058763, 11646981, 27176289, 81528867]

約数ペア:

[(1, 81528867), (3, 27176289), (7, 11646981), (9, 9058763), (19, 4290993), (21, 3882327), (57, 1430331), (63, 1294109), (133, 612999), (171, 476777), (399, 204333), (1197, 68111)]