25032777

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 43042752

約数和(自身を除く): 18009975

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 113, 137, 147, 231, 339, 411, 539, 791, 959, 1243, 1507, 1617, 2373, 2877, 3729, 4521, 5537, 6713, 8701, 10549, 15481, 16611, 20139, 26103, 31647, 46443, 60907, 73843, 108367, 170291, 182721, 221529, 325101, 510873, 758569, 1192037, 2275707, 3576111, 8344259, 25032777]

約数ペア:

[(1, 25032777), (3, 8344259), (7, 3576111), (11, 2275707), (21, 1192037), (33, 758569), (49, 510873), (77, 325101), (113, 221529), (137, 182721), (147, 170291), (231, 108367), (339, 73843), (411, 60907), (539, 46443), (791, 31647), (959, 26103), (1243, 20139), (1507, 16611), (1617, 15481), (2373, 10549), (2877, 8701), (3729, 6713), (4521, 5537)]