381465

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{173}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 773604

約数和(自身を除く): 392139

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 173, 245, 315, 441, 519, 735, 865, 1211, 1557, 2205, 2595, 3633, 6055, 7785, 8477, 10899, 18165, 25431, 42385, 54495, 76293, 127155, 381465]

約数ペア:

[(1, 381465), (3, 127155), (5, 76293), (7, 54495), (9, 42385), (15, 25431), (21, 18165), (35, 10899), (45, 8477), (49, 7785), (63, 6055), (105, 3633), (147, 2595), (173, 2205), (245, 1557), (315, 1211), (441, 865), (519, 735)]