7899921

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 11880960

約数和(自身を除く): 3981039

約数列:

[1, 3, 9, 41, 79, 123, 237, 271, 369, 711, 813, 2439, 3239, 9717, 11111, 21409, 29151, 33333, 64227, 99999, 192681, 877769, 2633307, 7899921]

約数ペア:

[(1, 7899921), (3, 2633307), (9, 877769), (41, 192681), (79, 99999), (123, 64227), (237, 33333), (271, 29151), (369, 21409), (711, 11111), (813, 9717), (2439, 3239)]