1278312285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1\times {\mathrm{4649}}^1$

素因数の和:5477

約数の個数: 32

約数和(自身を含む): 2137363200

約数和(自身を除く): 859050915

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 797, 2391, 3985, 4649, 11955, 13947, 18331, 23245, 54993, 69735, 91655, 106927, 274965, 320781, 534635, 1603905, 3705253, 11115759, 18526265, 55578795, 85220819, 255662457, 426104095, 1278312285]

約数ペア:

[(1, 1278312285), (3, 426104095), (5, 255662457), (15, 85220819), (23, 55578795), (69, 18526265), (115, 11115759), (345, 3705253), (797, 1603905), (2391, 534635), (3985, 320781), (4649, 274965), (11955, 106927), (13947, 91655), (18331, 69735), (23245, 54993)]