1313145

素因数分解:

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

素因数の和:222

約数の個数: 32

約数和(自身を含む): 2384640

約数和(自身を除く): 1071495

約数列:

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

約数ペア:

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