12971655

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 23901696

約数和(自身を除く): 10930041

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 83, 115, 151, 207, 249, 345, 415, 453, 747, 755, 1035, 1245, 1359, 1909, 2265, 3473, 3735, 5727, 6795, 9545, 10419, 12533, 17181, 17365, 28635, 31257, 37599, 52095, 62665, 85905, 112797, 156285, 187995, 288259, 563985, 864777, 1441295, 2594331, 4323885, 12971655]

約数ペア:

[(1, 12971655), (3, 4323885), (5, 2594331), (9, 1441295), (15, 864777), (23, 563985), (45, 288259), (69, 187995), (83, 156285), (115, 112797), (151, 85905), (207, 62665), (249, 52095), (345, 37599), (415, 31257), (453, 28635), (747, 17365), (755, 17181), (1035, 12533), (1245, 10419), (1359, 9545), (1909, 6795), (2265, 5727), (3473, 3735)]