28762881

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 45121536

約数和(自身を除く): 16358655

約数列:

[1, 3, 7, 21, 71, 101, 191, 213, 303, 497, 573, 707, 1337, 1491, 2121, 4011, 7171, 13561, 19291, 21513, 40683, 50197, 57873, 94927, 135037, 150591, 284781, 405111, 1369661, 4108983, 9587627, 28762881]

約数ペア:

[(1, 28762881), (3, 9587627), (7, 4108983), (21, 1369661), (71, 405111), (101, 284781), (191, 150591), (213, 135037), (303, 94927), (497, 57873), (573, 50197), (707, 40683), (1337, 21513), (1491, 19291), (2121, 13561), (4011, 7171)]