13256607

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 22220800

約数和(自身を除く): 8964193

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 991, 1029, 1911, 2973, 4459, 6937, 12883, 13377, 20811, 38649, 48559, 90181, 145677, 270543, 339913, 631267, 1019739, 1893801, 4418869, 13256607]

約数ペア:

[(1, 13256607), (3, 4418869), (7, 1893801), (13, 1019739), (21, 631267), (39, 339913), (49, 270543), (91, 145677), (147, 90181), (273, 48559), (343, 38649), (637, 20811), (991, 13377), (1029, 12883), (1911, 6937), (2973, 4459)]