1786005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 3459456

約数和(自身を除く): 1673451

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 71, 117, 129, 195, 213, 215, 355, 387, 559, 585, 639, 645, 923, 1065, 1677, 1935, 2769, 2795, 3053, 3195, 4615, 5031, 8307, 8385, 9159, 13845, 15265, 25155, 27477, 39689, 41535, 45795, 119067, 137385, 198445, 357201, 595335, 1786005]

約数ペア:

[(1, 1786005), (3, 595335), (5, 357201), (9, 198445), (13, 137385), (15, 119067), (39, 45795), (43, 41535), (45, 39689), (65, 27477), (71, 25155), (117, 15265), (129, 13845), (195, 9159), (213, 8385), (215, 8307), (355, 5031), (387, 4615), (559, 3195), (585, 3053), (639, 2795), (645, 2769), (923, 1935), (1065, 1677)]