31697523

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2280

約数の個数: 36

約数和(自身を含む): 54221440

約数和(自身を除く): 22523917

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 1089, 1287, 1573, 2239, 4719, 6717, 14157, 20151, 24629, 29107, 73887, 87321, 221661, 261963, 270919, 320177, 812757, 960531, 2438271, 2881593, 3521947, 10565841, 31697523]

約数ペア:

[(1, 31697523), (3, 10565841), (9, 3521947), (11, 2881593), (13, 2438271), (33, 960531), (39, 812757), (99, 320177), (117, 270919), (121, 261963), (143, 221661), (363, 87321), (429, 73887), (1089, 29107), (1287, 24629), (1573, 20151), (2239, 14157), (4719, 6717)]