12741421

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{307}}^1$

素因数の和:350

約数の個数: 24

約数和(自身を含む): 16385600

約数和(自身を除く): 3644179

約数列:

[1, 7, 11, 49, 77, 121, 307, 343, 539, 847, 2149, 3377, 3773, 5929, 15043, 23639, 37147, 41503, 105301, 165473, 260029, 1158311, 1820203, 12741421]

約数ペア:

[(1, 12741421), (7, 1820203), (11, 1158311), (49, 260029), (77, 165473), (121, 105301), (307, 41503), (343, 37147), (539, 23639), (847, 15043), (2149, 5929), (3377, 3773)]