13081905

素因数分解:

$3^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 56

約数和(自身を含む): 24421992

約数和(自身を除く): 11340087

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 97, 111, 135, 185, 243, 291, 333, 405, 485, 555, 729, 873, 999, 1215, 1455, 1665, 2619, 2997, 3589, 3645, 4365, 4995, 7857, 8991, 10767, 13095, 14985, 17945, 23571, 26973, 32301, 39285, 44955, 53835, 70713, 96903, 117855, 134865, 161505, 290709, 353565, 484515, 872127, 1453545, 2616381, 4360635, 13081905]

約数ペア:

[(1, 13081905), (3, 4360635), (5, 2616381), (9, 1453545), (15, 872127), (27, 484515), (37, 353565), (45, 290709), (81, 161505), (97, 134865), (111, 117855), (135, 96903), (185, 70713), (243, 53835), (291, 44955), (333, 39285), (405, 32301), (485, 26973), (555, 23571), (729, 17945), (873, 14985), (999, 13095), (1215, 10767), (1455, 8991), (1665, 7857), (2619, 4995), (2997, 4365), (3589, 3645)]