25718913

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 43392960

約数和(自身を除く): 17674047

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 113, 121, 171, 209, 339, 363, 627, 1017, 1089, 1243, 1331, 1881, 2147, 2299, 3729, 3993, 6441, 6897, 11187, 11979, 13673, 19323, 20691, 23617, 25289, 41019, 70851, 75867, 123057, 150403, 212553, 227601, 259787, 451209, 779361, 1353627, 2338083, 2857657, 8572971, 25718913]

約数ペア:

[(1, 25718913), (3, 8572971), (9, 2857657), (11, 2338083), (19, 1353627), (33, 779361), (57, 451209), (99, 259787), (113, 227601), (121, 212553), (171, 150403), (209, 123057), (339, 75867), (363, 70851), (627, 41019), (1017, 25289), (1089, 23617), (1243, 20691), (1331, 19323), (1881, 13673), (2147, 11979), (2299, 11187), (3729, 6897), (3993, 6441)]