204540609

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2087}}^1$

素因数の和:2469

約数の個数: 32

約数和(自身を含む): 336752640

約数和(自身を除く): 132212031

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 359, 1077, 2087, 2513, 4667, 6261, 7539, 14001, 14609, 27131, 32669, 43827, 81393, 98007, 189917, 569751, 749233, 2247699, 5244631, 9740029, 15733893, 29220087, 68180203, 204540609]

約数ペア:

[(1, 204540609), (3, 68180203), (7, 29220087), (13, 15733893), (21, 9740029), (39, 5244631), (91, 2247699), (273, 749233), (359, 569751), (1077, 189917), (2087, 98007), (2513, 81393), (4667, 43827), (6261, 32669), (7539, 27131), (14001, 14609)]