228823791

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{640963}}^1$

素因数の和:640990

約数の個数: 16

約数和(自身を含む): 369195264

約数和(自身を除く): 140371473

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 640963, 1922889, 4486741, 10896371, 13460223, 32689113, 76274597, 228823791]

約数ペア:

[(1, 228823791), (3, 76274597), (7, 32689113), (17, 13460223), (21, 10896371), (51, 4486741), (119, 1922889), (357, 640963)]