22278879

素因数分解:

$3^2\times 7^4\times {\mathrm{1031}}^1$

素因数の和:1065

約数の個数: 30

約数和(自身を含む): 37578216

約数和(自身を除く): 15299337

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 1031, 2401, 3087, 3093, 7203, 7217, 9279, 21609, 21651, 50519, 64953, 151557, 353633, 454671, 1060899, 2475431, 3182697, 7426293, 22278879]

約数ペア:

[(1, 22278879), (3, 7426293), (7, 3182697), (9, 2475431), (21, 1060899), (49, 454671), (63, 353633), (147, 151557), (343, 64953), (441, 50519), (1029, 21651), (1031, 21609), (2401, 9279), (3087, 7217), (3093, 7203)]