280056063

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{218623}}^1$

素因数の和:218694

約数の個数: 16

約数和(自身を含む): 433750016

約数和(自身を除く): 153693953

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 218623, 655869, 1530361, 4591083, 13336003, 40008009, 93352021, 280056063]

約数ペア:

[(1, 280056063), (3, 93352021), (7, 40008009), (21, 13336003), (61, 4591083), (183, 1530361), (427, 655869), (1281, 218623)]