12397239

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 19353600

約数和(自身を除く): 6956361

約数列:

[1, 3, 9, 27, 29, 71, 87, 213, 223, 261, 639, 669, 783, 1917, 2007, 2059, 6021, 6177, 6467, 15833, 18531, 19401, 47499, 55593, 58203, 142497, 174609, 427491, 459157, 1377471, 4132413, 12397239]

約数ペア:

[(1, 12397239), (3, 4132413), (9, 1377471), (27, 459157), (29, 427491), (71, 174609), (87, 142497), (213, 58203), (223, 55593), (261, 47499), (639, 19401), (669, 18531), (783, 15833), (1917, 6467), (2007, 6177), (2059, 6021)]