2638359

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 4256000

約数和(自身を除く): 1617641

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 139, 171, 333, 417, 513, 703, 999, 1251, 2109, 2641, 3753, 5143, 6327, 7923, 15429, 18981, 23769, 46287, 71307, 97717, 138861, 293151, 879453, 2638359]

約数ペア:

[(1, 2638359), (3, 879453), (9, 293151), (19, 138861), (27, 97717), (37, 71307), (57, 46287), (111, 23769), (139, 18981), (171, 15429), (333, 7923), (417, 6327), (513, 5143), (703, 3753), (999, 2641), (1251, 2109)]