42721317

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 66908160

約数和(自身を除く): 24186843

約数列:

[1, 3, 9, 27, 31, 43, 93, 129, 279, 387, 837, 1161, 1187, 1333, 3561, 3999, 10683, 11997, 32049, 35991, 36797, 51041, 110391, 153123, 331173, 459369, 993519, 1378107, 1582271, 4746813, 14240439, 42721317]

約数ペア:

[(1, 42721317), (3, 14240439), (9, 4746813), (27, 1582271), (31, 1378107), (43, 993519), (93, 459369), (129, 331173), (279, 153123), (387, 110391), (837, 51041), (1161, 36797), (1187, 35991), (1333, 32049), (3561, 11997), (3999, 10683)]