16606989

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 29183232

約数和(自身を除く): 12576243

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 73, 157, 161, 207, 219, 471, 483, 511, 657, 1099, 1413, 1449, 1533, 1679, 3297, 3611, 4599, 5037, 9891, 10833, 11461, 11753, 15111, 25277, 32499, 34383, 35259, 75831, 80227, 103149, 105777, 227493, 240681, 263603, 722043, 790809, 1845221, 2372427, 5535663, 16606989]

約数ペア:

[(1, 16606989), (3, 5535663), (7, 2372427), (9, 1845221), (21, 790809), (23, 722043), (63, 263603), (69, 240681), (73, 227493), (157, 105777), (161, 103149), (207, 80227), (219, 75831), (471, 35259), (483, 34383), (511, 32499), (657, 25277), (1099, 15111), (1413, 11753), (1449, 11461), (1533, 10833), (1679, 9891), (3297, 5037), (3611, 4599)]