268816401

素因数分解:

$3^4\times 7^2\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:876

約数の個数: 60

約数和(自身を含む): 472996260

約数和(自身を除く): 204179859

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 89, 147, 189, 267, 441, 567, 623, 761, 801, 1323, 1869, 2283, 2403, 3969, 4361, 5327, 5607, 6849, 7209, 13083, 15981, 16821, 20547, 37289, 39249, 47943, 50463, 61641, 67729, 111867, 117747, 143829, 203187, 335601, 353241, 431487, 474103, 609561, 1006803, 1422309, 1828683, 3020409, 3318721, 4266927, 5486049, 9956163, 12800781, 29868489, 38402343, 89605467, 268816401]

約数ペア:

[(1, 268816401), (3, 89605467), (7, 38402343), (9, 29868489), (21, 12800781), (27, 9956163), (49, 5486049), (63, 4266927), (81, 3318721), (89, 3020409), (147, 1828683), (189, 1422309), (267, 1006803), (441, 609561), (567, 474103), (623, 431487), (761, 353241), (801, 335601), (1323, 203187), (1869, 143829), (2283, 117747), (2403, 111867), (3969, 67729), (4361, 61641), (5327, 50463), (5607, 47943), (6849, 39249), (7209, 37289), (13083, 20547), (15981, 16821)]