25721955

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 54177024

約数和(自身を除く): 28455069

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 81, 105, 129, 135, 189, 211, 215, 301, 315, 387, 405, 567, 633, 645, 903, 945, 1055, 1161, 1477, 1505, 1899, 1935, 2709, 2835, 3165, 3483, 4431, 4515, 5697, 5805, 7385, 8127, 9073, 9495, 13293, 13545, 17091, 17415, 22155, 24381, 27219, 28485, 39879, 40635, 45365, 63511, 66465, 81657, 85455, 119637, 121905, 136095, 190533, 199395, 244971, 317555, 408285, 571599, 598185, 734913, 952665, 1224855, 1714797, 2857995, 3674565, 5144391, 8573985, 25721955]

約数ペア:

[(1, 25721955), (3, 8573985), (5, 5144391), (7, 3674565), (9, 2857995), (15, 1714797), (21, 1224855), (27, 952665), (35, 734913), (43, 598185), (45, 571599), (63, 408285), (81, 317555), (105, 244971), (129, 199395), (135, 190533), (189, 136095), (211, 121905), (215, 119637), (301, 85455), (315, 81657), (387, 66465), (405, 63511), (567, 45365), (633, 40635), (645, 39879), (903, 28485), (945, 27219), (1055, 24381), (1161, 22155), (1477, 17415), (1505, 17091), (1899, 13545), (1935, 13293), (2709, 9495), (2835, 9073), (3165, 8127), (3483, 7385), (4431, 5805), (4515, 5697)]