42005439

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2039}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 71808000

約数和(自身を除く): 29802561

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 2039, 2289, 2943, 6117, 6867, 14273, 18351, 20601, 42819, 55053, 128457, 222251, 385371, 666753, 1555757, 2000259, 4667271, 6000777, 14001813, 42005439]

約数ペア:

[(1, 42005439), (3, 14001813), (7, 6000777), (9, 4667271), (21, 2000259), (27, 1555757), (63, 666753), (109, 385371), (189, 222251), (327, 128457), (763, 55053), (981, 42819), (2039, 20601), (2289, 18351), (2943, 14273), (6117, 6867)]