199977039

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{45439}}^1$

素因数の和:45611

約数の個数: 16

約数和(自身を含む): 298086400

約数和(自身を除く): 98109361

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 45439, 136317, 408951, 1226853, 7406557, 22219671, 66659013, 199977039]

約数ペア:

[(1, 199977039), (3, 66659013), (9, 22219671), (27, 7406557), (163, 1226853), (489, 408951), (1467, 136317), (4401, 45439)]