205280521569

素因数分解:

$3^2\times {\mathrm{421}}^1\times {\mathrm{54178021}}^1$

素因数の和:54178448

約数の個数: 12

約数和(自身を含む): 297220628692

約数和(自身を除く): 91940107123

約数列:

[1, 3, 9, 421, 1263, 3789, 54178021, 162534063, 487602189, 22808946841, 68426840523, 205280521569]

約数ペア:

[(1, 205280521569), (3, 68426840523), (9, 22808946841), (421, 487602189), (1263, 162534063), (3789, 54178021)]