51389247

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6491}}^1$

素因数の和:6543

約数の個数: 32

約数和(自身を含む): 87252480

約数和(自身を除く): 35863233

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 6491, 7917, 19473, 45437, 84383, 136311, 188239, 253149, 564717, 590681, 1317673, 1772043, 2447107, 3953019, 7341321, 17129749, 51389247]

約数ペア:

[(1, 51389247), (3, 17129749), (7, 7341321), (13, 3953019), (21, 2447107), (29, 1772043), (39, 1317673), (87, 590681), (91, 564717), (203, 253149), (273, 188239), (377, 136311), (609, 84383), (1131, 45437), (2639, 19473), (6491, 7917)]