13491723

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 21446656

約数和(自身を除く): 7954933

約数列:

[1, 3, 7, 21, 43, 67, 129, 201, 223, 301, 469, 669, 903, 1407, 1561, 2881, 4683, 8643, 9589, 14941, 20167, 28767, 44823, 60501, 67123, 104587, 201369, 313761, 642463, 1927389, 4497241, 13491723]

約数ペア:

[(1, 13491723), (3, 4497241), (7, 1927389), (21, 642463), (43, 313761), (67, 201369), (129, 104587), (201, 67123), (223, 60501), (301, 44823), (469, 28767), (669, 20167), (903, 14941), (1407, 9589), (1561, 8643), (2881, 4683)]