1212015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 2413152

約数和(自身を除く): 1201137

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 97, 105, 119, 147, 245, 255, 291, 357, 485, 595, 679, 735, 833, 1455, 1649, 1785, 2037, 2499, 3395, 4165, 4753, 4947, 8245, 10185, 11543, 12495, 14259, 23765, 24735, 34629, 57715, 71295, 80801, 173145, 242403, 404005, 1212015]

約数ペア:

[(1, 1212015), (3, 404005), (5, 242403), (7, 173145), (15, 80801), (17, 71295), (21, 57715), (35, 34629), (49, 24735), (51, 23765), (85, 14259), (97, 12495), (105, 11543), (119, 10185), (147, 8245), (245, 4947), (255, 4753), (291, 4165), (357, 3395), (485, 2499), (595, 2037), (679, 1785), (735, 1649), (833, 1455)]