3857721

素因数分解:

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

素因数の和:210

約数の個数: 32

約数和(自身を含む): 6297600

約数和(自身を除く): 2439879

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 163, 343, 483, 489, 1029, 1127, 1141, 3381, 3423, 3749, 7889, 7987, 11247, 23667, 23961, 26243, 55909, 78729, 167727, 183701, 551103, 1285907, 3857721]

約数ペア:

[(1, 3857721), (3, 1285907), (7, 551103), (21, 183701), (23, 167727), (49, 78729), (69, 55909), (147, 26243), (161, 23961), (163, 23667), (343, 11247), (483, 7987), (489, 7889), (1029, 3749), (1127, 3423), (1141, 3381)]