198250497

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{7013}}^1$

素因数の和:7374

約数の個数: 20

約数和(自身を含む): 297042900

約数和(自身を除く): 98792403

約数列:

[1, 3, 9, 27, 81, 349, 1047, 3141, 7013, 9423, 21039, 28269, 63117, 189351, 568053, 2447537, 7342611, 22027833, 66083499, 198250497]

約数ペア:

[(1, 198250497), (3, 66083499), (9, 22027833), (27, 7342611), (81, 2447537), (349, 568053), (1047, 189351), (3141, 63117), (7013, 28269), (9423, 21039)]