28175301

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 51342720

約数和(自身を除く): 23167419

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 109, 231, 327, 373, 693, 763, 981, 1119, 1199, 2289, 2611, 3357, 3597, 4103, 6867, 7833, 8393, 10791, 12309, 23499, 25179, 28721, 36927, 40657, 75537, 86163, 121971, 258489, 284599, 365913, 447227, 853797, 1341681, 2561391, 3130589, 4025043, 9391767, 28175301]

約数ペア:

[(1, 28175301), (3, 9391767), (7, 4025043), (9, 3130589), (11, 2561391), (21, 1341681), (33, 853797), (63, 447227), (77, 365913), (99, 284599), (109, 258489), (231, 121971), (327, 86163), (373, 75537), (693, 40657), (763, 36927), (981, 28721), (1119, 25179), (1199, 23499), (2289, 12309), (2611, 10791), (3357, 8393), (3597, 7833), (4103, 6867)]