199233

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 16

約数和(自身を含む): 303360

約数和(自身を除く): 104127

約数列:

[1, 3, 9, 27, 47, 141, 157, 423, 471, 1269, 1413, 4239, 7379, 22137, 66411, 199233]

約数ペア:

[(1, 199233), (3, 66411), (9, 22137), (27, 7379), (47, 4239), (141, 1413), (157, 1269), (423, 471)]