290431359

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 460857600

約数和(自身を除く): 170426241

約数列:

[1, 3, 9, 19, 27, 57, 83, 171, 249, 359, 361, 513, 747, 1077, 1083, 1577, 2241, 3231, 3249, 4731, 6821, 9693, 9747, 14193, 20463, 29797, 29963, 42579, 61389, 89391, 89889, 129599, 184167, 268173, 269667, 388797, 566143, 804519, 809001, 1166391, 1698429, 3499173, 5095287, 10756717, 15285861, 32270151, 96810453, 290431359]

約数ペア:

[(1, 290431359), (3, 96810453), (9, 32270151), (19, 15285861), (27, 10756717), (57, 5095287), (83, 3499173), (171, 1698429), (249, 1166391), (359, 809001), (361, 804519), (513, 566143), (747, 388797), (1077, 269667), (1083, 268173), (1577, 184167), (2241, 129599), (3231, 89889), (3249, 89391), (4731, 61389), (6821, 42579), (9693, 29963), (9747, 29797), (14193, 20463)]