16516773

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 31039008

約数和(自身を除く): 14522235

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 49, 63, 67, 91, 117, 129, 147, 201, 273, 301, 387, 441, 469, 559, 603, 637, 819, 871, 903, 1407, 1677, 1911, 2107, 2613, 2709, 2881, 3283, 3913, 4221, 5031, 5733, 6097, 6321, 7839, 8643, 9849, 11739, 18291, 18963, 20167, 25929, 27391, 29547, 35217, 37453, 42679, 54873, 60501, 82173, 112359, 128037, 141169, 181503, 246519, 262171, 337077, 384111, 423507, 786513, 1270521, 1835197, 2359539, 5505591, 16516773]

約数ペア:

[(1, 16516773), (3, 5505591), (7, 2359539), (9, 1835197), (13, 1270521), (21, 786513), (39, 423507), (43, 384111), (49, 337077), (63, 262171), (67, 246519), (91, 181503), (117, 141169), (129, 128037), (147, 112359), (201, 82173), (273, 60501), (301, 54873), (387, 42679), (441, 37453), (469, 35217), (559, 29547), (603, 27391), (637, 25929), (819, 20167), (871, 18963), (903, 18291), (1407, 11739), (1677, 9849), (1911, 8643), (2107, 7839), (2613, 6321), (2709, 6097), (2881, 5733), (3283, 5031), (3913, 4221)]