87178143

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{1607}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 127122048

約数和(自身を除く): 39943905

約数列:

[1, 3, 13, 39, 107, 169, 321, 507, 1391, 1607, 4173, 4821, 18083, 20891, 54249, 62673, 171949, 271583, 515847, 814749, 2235337, 6706011, 29059381, 87178143]

約数ペア:

[(1, 87178143), (3, 29059381), (13, 6706011), (39, 2235337), (107, 814749), (169, 515847), (321, 271583), (507, 171949), (1391, 62673), (1607, 54249), (4173, 20891), (4821, 18083)]