180912095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1783}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 268541952

約数和(自身を除く): 87629857

約数列:

[1, 5, 7, 13, 35, 65, 91, 223, 455, 1115, 1561, 1783, 2899, 7805, 8915, 12481, 14495, 20293, 23179, 62405, 101465, 115895, 162253, 397609, 811265, 1988045, 2783263, 5168917, 13916315, 25844585, 36182419, 180912095]

約数ペア:

[(1, 180912095), (5, 36182419), (7, 25844585), (13, 13916315), (35, 5168917), (65, 2783263), (91, 1988045), (223, 811265), (455, 397609), (1115, 162253), (1561, 115895), (1783, 101465), (2899, 62405), (7805, 23179), (8915, 20293), (12481, 14495)]