1212142005

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{11903}}^1$

素因数の和:12018

約数の個数: 48

約数和(自身を含む): 2198716416

約数和(自身を除く): 986574411

約数列:

[1, 3, 5, 9, 15, 31, 45, 73, 93, 155, 219, 279, 365, 465, 657, 1095, 1395, 2263, 3285, 6789, 11315, 11903, 20367, 33945, 35709, 59515, 101835, 107127, 178545, 368993, 535635, 868919, 1106979, 1844965, 2606757, 3320937, 4344595, 5534895, 7820271, 13033785, 16604685, 26936489, 39101355, 80809467, 134682445, 242428401, 404047335, 1212142005]

約数ペア:

[(1, 1212142005), (3, 404047335), (5, 242428401), (9, 134682445), (15, 80809467), (31, 39101355), (45, 26936489), (73, 16604685), (93, 13033785), (155, 7820271), (219, 5534895), (279, 4344595), (365, 3320937), (465, 2606757), (657, 1844965), (1095, 1106979), (1395, 868919), (2263, 535635), (3285, 368993), (6789, 178545), (11315, 107127), (11903, 101835), (20367, 59515), (33945, 35709)]