28338039

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 43453440

約数和(自身を除く): 15115401

約数列:

[1, 3, 9, 27, 47, 137, 141, 163, 411, 423, 489, 1233, 1269, 1467, 3699, 4401, 6439, 7661, 19317, 22331, 22983, 57951, 66993, 68949, 173853, 200979, 206847, 602937, 1049557, 3148671, 9446013, 28338039]

約数ペア:

[(1, 28338039), (3, 9446013), (9, 3148671), (27, 1049557), (47, 602937), (137, 206847), (141, 200979), (163, 173853), (411, 68949), (423, 66993), (489, 57951), (1233, 22983), (1269, 22331), (1467, 19317), (3699, 7661), (4401, 6439)]