7475247

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 12467840

約数和(自身を除く): 4992593

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 229, 279, 351, 403, 687, 837, 1053, 1209, 2061, 2511, 2977, 3627, 6183, 7099, 8931, 10881, 18549, 21297, 26793, 32643, 63891, 80379, 92287, 191673, 241137, 276861, 575019, 830583, 2491749, 7475247]

約数ペア:

[(1, 7475247), (3, 2491749), (9, 830583), (13, 575019), (27, 276861), (31, 241137), (39, 191673), (81, 92287), (93, 80379), (117, 63891), (229, 32643), (279, 26793), (351, 21297), (403, 18549), (687, 10881), (837, 8931), (1053, 7099), (1209, 6183), (2061, 3627), (2511, 2977)]