71904273

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 111818496

約数和(自身を除く): 39914223

約数列:

[1, 3, 7, 21, 113, 157, 193, 339, 471, 579, 791, 1099, 1351, 2373, 3297, 4053, 17741, 21809, 30301, 53223, 65427, 90903, 124187, 152663, 212107, 372561, 457989, 636321, 3424013, 10272039, 23968091, 71904273]

約数ペア:

[(1, 71904273), (3, 23968091), (7, 10272039), (21, 3424013), (113, 636321), (157, 457989), (193, 372561), (339, 212107), (471, 152663), (579, 124187), (791, 90903), (1099, 65427), (1351, 53223), (2373, 30301), (3297, 21809), (4053, 17741)]