15580779

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 22982400

約数和(自身を除く): 7401621

約数列:

[1, 3, 19, 41, 57, 59, 113, 123, 177, 339, 779, 1121, 2147, 2337, 2419, 3363, 4633, 6441, 6667, 7257, 13899, 20001, 45961, 88027, 126673, 137883, 264081, 273347, 380019, 820041, 5193593, 15580779]

約数ペア:

[(1, 15580779), (3, 5193593), (19, 820041), (41, 380019), (57, 273347), (59, 264081), (113, 137883), (123, 126673), (177, 88027), (339, 45961), (779, 20001), (1121, 13899), (2147, 7257), (2337, 6667), (2419, 6441), (3363, 4633)]