15255513

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 28344960

約数和(自身を除く): 13089447

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 887, 1323, 1911, 2457, 2661, 5733, 6209, 7983, 11531, 17199, 18627, 23949, 34593, 43463, 55881, 80717, 103779, 130389, 167643, 242151, 311337, 391167, 565019, 726453, 1173501, 1695057, 2179359, 5085171, 15255513]

約数ペア:

[(1, 15255513), (3, 5085171), (7, 2179359), (9, 1695057), (13, 1173501), (21, 726453), (27, 565019), (39, 391167), (49, 311337), (63, 242151), (91, 167643), (117, 130389), (147, 103779), (189, 80717), (273, 55881), (351, 43463), (441, 34593), (637, 23949), (819, 18627), (887, 17199), (1323, 11531), (1911, 7983), (2457, 6209), (2661, 5733)]