20157363

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 10889037

約数列:

[1, 3, 9, 27, 41, 123, 131, 139, 369, 393, 417, 1107, 1179, 1251, 3537, 3753, 5371, 5699, 16113, 17097, 18209, 48339, 51291, 54627, 145017, 153873, 163881, 491643, 746569, 2239707, 6719121, 20157363]

約数ペア:

[(1, 20157363), (3, 6719121), (9, 2239707), (27, 746569), (41, 491643), (123, 163881), (131, 153873), (139, 145017), (369, 54627), (393, 51291), (417, 48339), (1107, 18209), (1179, 17097), (1251, 16113), (3537, 5699), (3753, 5371)]