278321103

素因数分解:

$3^4\times {\mathrm{1637}}^1\times {\mathrm{2099}}^1$

素因数の和:3748

約数の個数: 20

約数和(自身を含む): 416215800

約数和(自身を除く): 137894697

約数列:

[1, 3, 9, 27, 81, 1637, 2099, 4911, 6297, 14733, 18891, 44199, 56673, 132597, 170019, 3436063, 10308189, 30924567, 92773701, 278321103]

約数ペア:

[(1, 278321103), (3, 92773701), (9, 30924567), (27, 10308189), (81, 3436063), (1637, 170019), (2099, 132597), (4911, 56673), (6297, 44199), (14733, 18891)]