15989883

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 26966016

約数和(自身を除く): 10976133

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 1583, 3367, 4749, 10101, 11081, 20579, 33243, 58571, 61737, 144053, 175713, 409997, 432159, 761423, 1229991, 2284269, 5329961, 15989883]

約数ペア:

[(1, 15989883), (3, 5329961), (7, 2284269), (13, 1229991), (21, 761423), (37, 432159), (39, 409997), (91, 175713), (111, 144053), (259, 61737), (273, 58571), (481, 33243), (777, 20579), (1443, 11081), (1583, 10101), (3367, 4749)]