1685385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 3267264

約数和(自身を除く): 1581879

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 67, 117, 129, 195, 201, 215, 335, 387, 559, 585, 603, 645, 871, 1005, 1677, 1935, 2613, 2795, 2881, 3015, 4355, 5031, 7839, 8385, 8643, 13065, 14405, 25155, 25929, 37453, 39195, 43215, 112359, 129645, 187265, 337077, 561795, 1685385]

約数ペア:

[(1, 1685385), (3, 561795), (5, 337077), (9, 187265), (13, 129645), (15, 112359), (39, 43215), (43, 39195), (45, 37453), (65, 25929), (67, 25155), (117, 14405), (129, 13065), (195, 8643), (201, 8385), (215, 7839), (335, 5031), (387, 4355), (559, 3015), (585, 2881), (603, 2795), (645, 2613), (871, 1935), (1005, 1677)]