81074145

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2325

約数の個数: 32

約数和(自身を含む): 135659520

約数和(自身を除く): 54585375

約数列:

[1, 3, 5, 15, 31, 79, 93, 155, 237, 395, 465, 1185, 2207, 2449, 6621, 7347, 11035, 12245, 33105, 36735, 68417, 174353, 205251, 342085, 523059, 871765, 1026255, 2615295, 5404943, 16214829, 27024715, 81074145]

約数ペア:

[(1, 81074145), (3, 27024715), (5, 16214829), (15, 5404943), (31, 2615295), (79, 1026255), (93, 871765), (155, 523059), (237, 342085), (395, 205251), (465, 174353), (1185, 68417), (2207, 36735), (2449, 33105), (6621, 12245), (7347, 11035)]