17996853231

素因数分解:

$3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{491677}}^1$

素因数の和:491780

約数の個数: 36

約数和(自身を含む): 30604005432

約数和(自身を除く): 12607152201

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 147, 249, 441, 581, 747, 1743, 4067, 5229, 12201, 36603, 491677, 1475031, 3441739, 4425093, 10325217, 24092173, 30975651, 40809191, 72276519, 122427573, 216829557, 285664337, 367282719, 856993011, 1999650359, 2570979033, 5998951077, 17996853231]

約数ペア:

[(1, 17996853231), (3, 5998951077), (7, 2570979033), (9, 1999650359), (21, 856993011), (49, 367282719), (63, 285664337), (83, 216829557), (147, 122427573), (249, 72276519), (441, 40809191), (581, 30975651), (747, 24092173), (1743, 10325217), (4067, 4425093), (5229, 3441739), (12201, 1475031), (36603, 491677)]