199686123

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 367903536

約数和(自身を除く): 168217413

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 61, 63, 91, 117, 147, 183, 273, 427, 441, 549, 571, 637, 793, 819, 1281, 1713, 1911, 2379, 2989, 3843, 3997, 5139, 5551, 5733, 7137, 7423, 8967, 11991, 16653, 22269, 26901, 27979, 34831, 35973, 38857, 49959, 51961, 66807, 83937, 104493, 116571, 155883, 243817, 251811, 313479, 349713, 363727, 452803, 467649, 731451, 1091181, 1358409, 1706719, 2194353, 3169621, 3273543, 4075227, 5120157, 9508863, 15360471, 22187347, 28526589, 66562041, 199686123]

約数ペア:

[(1, 199686123), (3, 66562041), (7, 28526589), (9, 22187347), (13, 15360471), (21, 9508863), (39, 5120157), (49, 4075227), (61, 3273543), (63, 3169621), (91, 2194353), (117, 1706719), (147, 1358409), (183, 1091181), (273, 731451), (427, 467649), (441, 452803), (549, 363727), (571, 349713), (637, 313479), (793, 251811), (819, 243817), (1281, 155883), (1713, 116571), (1911, 104493), (2379, 83937), (2989, 66807), (3843, 51961), (3997, 49959), (5139, 38857), (5551, 35973), (5733, 34831), (7137, 27979), (7423, 26901), (8967, 22269), (11991, 16653)]