17925453

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 32672640

約数和(自身を除く): 14747187

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 509, 559, 819, 903, 1527, 1677, 2709, 3563, 3913, 4581, 5031, 6617, 10689, 11739, 19851, 21887, 32067, 35217, 46319, 59553, 65661, 138957, 153209, 196983, 284531, 416871, 459627, 853593, 1378881, 1991717, 2560779, 5975151, 17925453]

約数ペア:

[(1, 17925453), (3, 5975151), (7, 2560779), (9, 1991717), (13, 1378881), (21, 853593), (39, 459627), (43, 416871), (63, 284531), (91, 196983), (117, 153209), (129, 138957), (273, 65661), (301, 59553), (387, 46319), (509, 35217), (559, 32067), (819, 21887), (903, 19851), (1527, 11739), (1677, 10689), (2709, 6617), (3563, 5031), (3913, 4581)]