27917019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 18209061

約数列:

[1, 3, 9, 13, 31, 39, 43, 93, 117, 129, 179, 279, 387, 403, 537, 559, 1209, 1333, 1611, 1677, 2327, 3627, 3999, 5031, 5549, 6981, 7697, 11997, 16647, 17329, 20943, 23091, 49941, 51987, 69273, 72137, 100061, 155961, 216411, 238607, 300183, 649233, 715821, 900549, 2147463, 3101891, 9305673, 27917019]

約数ペア:

[(1, 27917019), (3, 9305673), (9, 3101891), (13, 2147463), (31, 900549), (39, 715821), (43, 649233), (93, 300183), (117, 238607), (129, 216411), (179, 155961), (279, 100061), (387, 72137), (403, 69273), (537, 51987), (559, 49941), (1209, 23091), (1333, 20943), (1611, 17329), (1677, 16647), (2327, 11997), (3627, 7697), (3999, 6981), (5031, 5549)]