28687995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 57799872

約数和(自身を除く): 29111877

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 1281, 1493, 2135, 2745, 3843, 4479, 6405, 7465, 10451, 13437, 19215, 22395, 31353, 52255, 67185, 91073, 94059, 156765, 273219, 455365, 470295, 637511, 819657, 1366095, 1912533, 3187555, 4098285, 5737599, 9562665, 28687995]

約数ペア:

[(1, 28687995), (3, 9562665), (5, 5737599), (7, 4098285), (9, 3187555), (15, 1912533), (21, 1366095), (35, 819657), (45, 637511), (61, 470295), (63, 455365), (105, 273219), (183, 156765), (305, 94059), (315, 91073), (427, 67185), (549, 52255), (915, 31353), (1281, 22395), (1493, 19215), (2135, 13437), (2745, 10451), (3843, 7465), (4479, 6405)]