79881981

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{2861}}^1$

素因数の和:3132

約数の個数: 16

約数和(自身を含む): 109626048

約数和(自身を除く): 29744067

約数列:

[1, 3, 41, 123, 227, 681, 2861, 8583, 9307, 27921, 117301, 351903, 649447, 1948341, 26627327, 79881981]

約数ペア:

[(1, 79881981), (3, 26627327), (41, 1948341), (123, 649447), (227, 351903), (681, 117301), (2861, 27921), (8583, 9307)]