163205217

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 283266048

約数和(自身を除く): 120060831

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 163, 207, 483, 489, 691, 1141, 1449, 1467, 2073, 3423, 3749, 4837, 6219, 10269, 11247, 14511, 15893, 26243, 33741, 43533, 47679, 78729, 111251, 112633, 143037, 236187, 333753, 337899, 788431, 1001259, 1013697, 2365293, 2590559, 7095879, 7771677, 18133913, 23315031, 54401739, 163205217]

約数ペア:

[(1, 163205217), (3, 54401739), (7, 23315031), (9, 18133913), (21, 7771677), (23, 7095879), (63, 2590559), (69, 2365293), (161, 1013697), (163, 1001259), (207, 788431), (483, 337899), (489, 333753), (691, 236187), (1141, 143037), (1449, 112633), (1467, 111251), (2073, 78729), (3423, 47679), (3749, 43533), (4837, 33741), (6219, 26243), (10269, 15893), (11247, 14511)]