127138671

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 212509440

約数和(自身を除く): 85370769

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 257, 263, 627, 771, 789, 1881, 2313, 2367, 2827, 2893, 4883, 4997, 8481, 8679, 14649, 14991, 25443, 26037, 43947, 44973, 53713, 54967, 67591, 161139, 164901, 202773, 483417, 494703, 608319, 743501, 1284229, 2230503, 3852687, 6691509, 11558061, 14126519, 42379557, 127138671]

約数ペア:

[(1, 127138671), (3, 42379557), (9, 14126519), (11, 11558061), (19, 6691509), (33, 3852687), (57, 2230503), (99, 1284229), (171, 743501), (209, 608319), (257, 494703), (263, 483417), (627, 202773), (771, 164901), (789, 161139), (1881, 67591), (2313, 54967), (2367, 53713), (2827, 44973), (2893, 43947), (4883, 26037), (4997, 25443), (8481, 14991), (8679, 14649)]