320137539

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 447068160

約数和(自身を除く): 126930621

約数列:

[1, 3, 47, 89, 97, 141, 263, 267, 291, 789, 4183, 4559, 8633, 12361, 12549, 13677, 23407, 25511, 25899, 37083, 70221, 76533, 405751, 1100129, 1199017, 1217253, 2270479, 3300387, 3597051, 6811437, 106712513, 320137539]

約数ペア:

[(1, 320137539), (3, 106712513), (47, 6811437), (89, 3597051), (97, 3300387), (141, 2270479), (263, 1217253), (267, 1199017), (291, 1100129), (789, 405751), (4183, 76533), (4559, 70221), (8633, 37083), (12361, 25899), (12549, 25511), (13677, 23407)]