15639903

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1933}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 24136320

約数和(自身を除く): 8496417

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 1933, 2697, 5799, 8091, 17397, 56057, 59923, 168171, 179769, 504513, 539307, 1737767, 5213301, 15639903]

約数ペア:

[(1, 15639903), (3, 5213301), (9, 1737767), (29, 539307), (31, 504513), (87, 179769), (93, 168171), (261, 59923), (279, 56057), (899, 17397), (1933, 8091), (2697, 5799)]