81120615

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 132464640

約数和(自身を除く): 51344025

約数列:

[1, 3, 5, 15, 97, 127, 291, 381, 439, 485, 635, 1317, 1455, 1905, 2195, 6585, 12319, 36957, 42583, 55753, 61595, 127749, 167259, 184785, 212915, 278765, 638745, 836295, 5408041, 16224123, 27040205, 81120615]

約数ペア:

[(1, 81120615), (3, 27040205), (5, 16224123), (15, 5408041), (97, 836295), (127, 638745), (291, 278765), (381, 212915), (439, 184785), (485, 167259), (635, 127749), (1317, 61595), (1455, 55753), (1905, 42583), (2195, 36957), (6585, 12319)]