3939435

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 7213536

約数和(自身を除く): 3274101

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 137, 213, 355, 405, 411, 639, 685, 1065, 1233, 1917, 2055, 3195, 3699, 5751, 6165, 9585, 9727, 11097, 18495, 28755, 29181, 48635, 55485, 87543, 145905, 262629, 437715, 787887, 1313145, 3939435]

約数ペア:

[(1, 3939435), (3, 1313145), (5, 787887), (9, 437715), (15, 262629), (27, 145905), (45, 87543), (71, 55485), (81, 48635), (135, 29181), (137, 28755), (213, 18495), (355, 11097), (405, 9727), (411, 9585), (639, 6165), (685, 5751), (1065, 3699), (1233, 3195), (1917, 2055)]