71313921

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{4177}}^1$

素因数の和:4461

約数の個数: 24

約数和(自身を含む): 118187264

約数和(自身を除く): 46873343

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1897, 2439, 4177, 5691, 12531, 17073, 29239, 37593, 87717, 263151, 1131967, 3395901, 7923769, 10187703, 23771307, 71313921]

約数ペア:

[(1, 71313921), (3, 23771307), (7, 10187703), (9, 7923769), (21, 3395901), (63, 1131967), (271, 263151), (813, 87717), (1897, 37593), (2439, 29239), (4177, 17073), (5691, 12531)]