285986421

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 486245760

約数和(自身を除く): 200259339

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 229, 301, 387, 461, 687, 903, 1383, 1603, 2061, 2709, 3227, 4149, 4809, 9681, 9847, 14427, 19823, 29043, 29541, 59469, 68929, 88623, 105569, 138761, 178407, 206787, 316707, 416283, 620361, 738983, 950121, 1248849, 2216949, 4539467, 6650847, 13618401, 31776269, 40855203, 95328807, 285986421]

約数ペア:

[(1, 285986421), (3, 95328807), (7, 40855203), (9, 31776269), (21, 13618401), (43, 6650847), (63, 4539467), (129, 2216949), (229, 1248849), (301, 950121), (387, 738983), (461, 620361), (687, 416283), (903, 316707), (1383, 206787), (1603, 178407), (2061, 138761), (2709, 105569), (3227, 88623), (4149, 68929), (4809, 59469), (9681, 29541), (9847, 29043), (14427, 19823)]