12481209

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 20204800

約数和(自身を除く): 7723591

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 439, 729, 1053, 1317, 2187, 3159, 3951, 5707, 9477, 11853, 17121, 28431, 35559, 51363, 106677, 154089, 320031, 462267, 960093, 1386801, 4160403, 12481209]

約数ペア:

[(1, 12481209), (3, 4160403), (9, 1386801), (13, 960093), (27, 462267), (39, 320031), (81, 154089), (117, 106677), (243, 51363), (351, 35559), (439, 28431), (729, 17121), (1053, 11853), (1317, 9477), (2187, 5707), (3159, 3951)]