198996747

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1499}}^1$

素因数の和:1675

約数の個数: 32

約数和(自身を含む): 298080000

約数和(自身を除く): 99083253

約数列:

[1, 3, 17, 19, 51, 57, 137, 323, 411, 969, 1499, 2329, 2603, 4497, 6987, 7809, 25483, 28481, 44251, 76449, 85443, 132753, 205363, 484177, 616089, 1452531, 3491171, 3901897, 10473513, 11705691, 66332249, 198996747]

約数ペア:

[(1, 198996747), (3, 66332249), (17, 11705691), (19, 10473513), (51, 3901897), (57, 3491171), (137, 1452531), (323, 616089), (411, 484177), (969, 205363), (1499, 132753), (2329, 85443), (2603, 76449), (4497, 44251), (6987, 28481), (7809, 25483)]