39720135

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4157}}^1$

素因数の和:4192

約数の個数: 48

約数和(自身を含む): 79634016

約数和(自身を除く): 39913881

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 3185, 4157, 9555, 12471, 20785, 29099, 54041, 62355, 87297, 145495, 162123, 203693, 270205, 378287, 436485, 611079, 810615, 1018465, 1134861, 1891435, 2648009, 3055395, 5674305, 7944027, 13240045, 39720135]

約数ペア:

[(1, 39720135), (3, 13240045), (5, 7944027), (7, 5674305), (13, 3055395), (15, 2648009), (21, 1891435), (35, 1134861), (39, 1018465), (49, 810615), (65, 611079), (91, 436485), (105, 378287), (147, 270205), (195, 203693), (245, 162123), (273, 145495), (455, 87297), (637, 62355), (735, 54041), (1365, 29099), (1911, 20785), (3185, 12471), (4157, 9555)]