12840975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 27236352

約数和(自身を除く): 14395377

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 93, 105, 155, 175, 217, 225, 263, 279, 315, 465, 525, 651, 775, 789, 1085, 1315, 1395, 1575, 1841, 1953, 2325, 2367, 3255, 3945, 5425, 5523, 6575, 6975, 8153, 9205, 9765, 11835, 16275, 16569, 19725, 24459, 27615, 40765, 46025, 48825, 57071, 59175, 73377, 82845, 122295, 138075, 171213, 203825, 285355, 366885, 414225, 513639, 611475, 856065, 1426775, 1834425, 2568195, 4280325, 12840975]

約数ペア:

[(1, 12840975), (3, 4280325), (5, 2568195), (7, 1834425), (9, 1426775), (15, 856065), (21, 611475), (25, 513639), (31, 414225), (35, 366885), (45, 285355), (63, 203825), (75, 171213), (93, 138075), (105, 122295), (155, 82845), (175, 73377), (217, 59175), (225, 57071), (263, 48825), (279, 46025), (315, 40765), (465, 27615), (525, 24459), (651, 19725), (775, 16569), (789, 16275), (1085, 11835), (1315, 9765), (1395, 9205), (1575, 8153), (1841, 6975), (1953, 6575), (2325, 5523), (2367, 5425), (3255, 3945)]