397457847

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{56401}}^1$

素因数の和:56445

約数の個数: 24

約数和(自身を含む): 615909840

約数和(自身を除く): 218451993

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 7047, 56401, 169203, 507609, 1522827, 1635629, 4568481, 4906887, 13705443, 14720661, 44161983, 132485949, 397457847]

約数ペア:

[(1, 397457847), (3, 132485949), (9, 44161983), (27, 14720661), (29, 13705443), (81, 4906887), (87, 4568481), (243, 1635629), (261, 1522827), (783, 507609), (2349, 169203), (7047, 56401)]