2491749

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 4121600

約数和(自身を除く): 1629851

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 229, 279, 351, 403, 687, 837, 1209, 2061, 2977, 3627, 6183, 7099, 8931, 10881, 21297, 26793, 63891, 80379, 92287, 191673, 276861, 830583, 2491749]

約数ペア:

[(1, 2491749), (3, 830583), (9, 276861), (13, 191673), (27, 92287), (31, 80379), (39, 63891), (93, 26793), (117, 21297), (229, 10881), (279, 8931), (351, 7099), (403, 6183), (687, 3627), (837, 2977), (1209, 2061)]