280111221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{58393}}^1$

素因数の和:58453

約数の個数: 24

約数和(自身を含む): 446363736

約数和(自身を除く): 166252515

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 58393, 175179, 525537, 759109, 2277327, 2394113, 6831981, 7182339, 21547017, 31123469, 93370407, 280111221]

約数ペア:

[(1, 280111221), (3, 93370407), (9, 31123469), (13, 21547017), (39, 7182339), (41, 6831981), (117, 2394113), (123, 2277327), (369, 759109), (533, 525537), (1599, 175179), (4797, 58393)]