256906947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{210407}}^1$

素因数の和:210458

約数の個数: 16

約数和(自身を含む): 383784192

約数和(自身を除く): 126877245

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 210407, 631221, 2314477, 6943431, 7785059, 23355177, 85635649, 256906947]

約数ペア:

[(1, 256906947), (3, 85635649), (11, 23355177), (33, 7785059), (37, 6943431), (111, 2314477), (407, 631221), (1221, 210407)]