39128313

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 64613376

約数和(自身を除く): 25485063

約数列:

[1, 3, 7, 21, 23, 49, 69, 71, 147, 161, 163, 213, 483, 489, 497, 1127, 1141, 1491, 1633, 3381, 3423, 3479, 3749, 4899, 7987, 10437, 11247, 11431, 11573, 23961, 26243, 34293, 34719, 78729, 80017, 81011, 183701, 240051, 243033, 266179, 551103, 567077, 798537, 1701231, 1863253, 5589759, 13042771, 39128313]

約数ペア:

[(1, 39128313), (3, 13042771), (7, 5589759), (21, 1863253), (23, 1701231), (49, 798537), (69, 567077), (71, 551103), (147, 266179), (161, 243033), (163, 240051), (213, 183701), (483, 81011), (489, 80017), (497, 78729), (1127, 34719), (1141, 34293), (1491, 26243), (1633, 23961), (3381, 11573), (3423, 11431), (3479, 11247), (3749, 10437), (4899, 7987)]