39945555

素因数分解:

$3^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 77696640

約数和(自身を除く): 37751085

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 281, 351, 405, 585, 729, 843, 1053, 1215, 1405, 1755, 2187, 2529, 3159, 3645, 3653, 4215, 5265, 7587, 9477, 10935, 10959, 12645, 15795, 18265, 22761, 28431, 32877, 37935, 47385, 54795, 68283, 98631, 113805, 142155, 164385, 204849, 295893, 341415, 493155, 614547, 887679, 1024245, 1479465, 2663037, 3072735, 4438395, 7989111, 13315185, 39945555]

約数ペア:

[(1, 39945555), (3, 13315185), (5, 7989111), (9, 4438395), (13, 3072735), (15, 2663037), (27, 1479465), (39, 1024245), (45, 887679), (65, 614547), (81, 493155), (117, 341415), (135, 295893), (195, 204849), (243, 164385), (281, 142155), (351, 113805), (405, 98631), (585, 68283), (729, 54795), (843, 47385), (1053, 37935), (1215, 32877), (1405, 28431), (1755, 22761), (2187, 18265), (2529, 15795), (3159, 12645), (3645, 10959), (3653, 10935), (4215, 9477), (5265, 7587)]