16682967

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 30019392

約数和(自身を除く): 13336425

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 259, 333, 357, 421, 629, 777, 1071, 1263, 1887, 2331, 2947, 3789, 4403, 5661, 7157, 8841, 13209, 15577, 21471, 26523, 39627, 46731, 50099, 64413, 109039, 140193, 150297, 264809, 327117, 450891, 794427, 981351, 1853663, 2383281, 5560989, 16682967]

約数ペア:

[(1, 16682967), (3, 5560989), (7, 2383281), (9, 1853663), (17, 981351), (21, 794427), (37, 450891), (51, 327117), (63, 264809), (111, 150297), (119, 140193), (153, 109039), (259, 64413), (333, 50099), (357, 46731), (421, 39627), (629, 26523), (777, 21471), (1071, 15577), (1263, 13209), (1887, 8841), (2331, 7157), (2947, 5661), (3789, 4403)]