28216305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 53202240

約数和(自身を除く): 24985935

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 139, 195, 347, 417, 585, 695, 1041, 1251, 1735, 1807, 2085, 3123, 4511, 5205, 5421, 6255, 9035, 13533, 15615, 16263, 22555, 27105, 40599, 48233, 67665, 81315, 144699, 202995, 241165, 434097, 627029, 723495, 1881087, 2170485, 3135145, 5643261, 9405435, 28216305]

約数ペア:

[(1, 28216305), (3, 9405435), (5, 5643261), (9, 3135145), (13, 2170485), (15, 1881087), (39, 723495), (45, 627029), (65, 434097), (117, 241165), (139, 202995), (195, 144699), (347, 81315), (417, 67665), (585, 48233), (695, 40599), (1041, 27105), (1251, 22555), (1735, 16263), (1807, 15615), (2085, 13533), (3123, 9035), (4511, 6255), (5205, 5421)]