28190715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{701}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 51757056

約数和(自身を除く): 23566341

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 383, 701, 1149, 1915, 2103, 2681, 3505, 4907, 5745, 8043, 10515, 13405, 14721, 24535, 40215, 73605, 268483, 805449, 1342415, 1879381, 4027245, 5638143, 9396905, 28190715]

約数ペア:

[(1, 28190715), (3, 9396905), (5, 5638143), (7, 4027245), (15, 1879381), (21, 1342415), (35, 805449), (105, 268483), (383, 73605), (701, 40215), (1149, 24535), (1915, 14721), (2103, 13405), (2681, 10515), (3505, 8043), (4907, 5745)]