208586421

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{59887}}^1$

素因数の和:59942

約数の個数: 20

約数和(自身を含む): 318843712

約数和(自身を除く): 110257291

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 59887, 179661, 538983, 1616949, 2575141, 4850847, 7725423, 23176269, 69528807, 208586421]

約数ペア:

[(1, 208586421), (3, 69528807), (9, 23176269), (27, 7725423), (43, 4850847), (81, 2575141), (129, 1616949), (387, 538983), (1161, 179661), (3483, 59887)]