168281919

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 281369088

約数和(自身を除く): 113087169

約数列:

[1, 3, 9, 13, 31, 39, 43, 83, 93, 117, 129, 169, 249, 279, 387, 403, 507, 559, 747, 1079, 1209, 1333, 1521, 1677, 2573, 3237, 3569, 3627, 3999, 5031, 5239, 7267, 7719, 9711, 10707, 11997, 14027, 15717, 17329, 21801, 23157, 32121, 33449, 42081, 46397, 47151, 51987, 65403, 100347, 110639, 126243, 139191, 155961, 225277, 301041, 331917, 417573, 434837, 603161, 675831, 995751, 1304511, 1438307, 1809483, 2027493, 3913533, 4314921, 5428449, 12944763, 18697991, 56093973, 168281919]

約数ペア:

[(1, 168281919), (3, 56093973), (9, 18697991), (13, 12944763), (31, 5428449), (39, 4314921), (43, 3913533), (83, 2027493), (93, 1809483), (117, 1438307), (129, 1304511), (169, 995751), (249, 675831), (279, 603161), (387, 434837), (403, 417573), (507, 331917), (559, 301041), (747, 225277), (1079, 155961), (1209, 139191), (1333, 126243), (1521, 110639), (1677, 100347), (2573, 65403), (3237, 51987), (3569, 47151), (3627, 46397), (3999, 42081), (5031, 33449), (5239, 32121), (7267, 23157), (7719, 21801), (9711, 17329), (10707, 15717), (11997, 14027)]