421785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 908544

約数和(自身を除く): 486759

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 103, 105, 117, 195, 273, 309, 315, 455, 515, 585, 721, 819, 927, 1339, 1365, 1545, 2163, 3605, 4017, 4095, 4635, 6489, 6695, 9373, 10815, 12051, 20085, 28119, 32445, 46865, 60255, 84357, 140595, 421785]

約数ペア:

[(1, 421785), (3, 140595), (5, 84357), (7, 60255), (9, 46865), (13, 32445), (15, 28119), (21, 20085), (35, 12051), (39, 10815), (45, 9373), (63, 6695), (65, 6489), (91, 4635), (103, 4095), (105, 4017), (117, 3605), (195, 2163), (273, 1545), (309, 1365), (315, 1339), (455, 927), (515, 819), (585, 721)]