81597765

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{631}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 134873856

約数和(自身を除く): 53276091

約数列:

[1, 3, 5, 15, 37, 111, 185, 233, 555, 631, 699, 1165, 1893, 3155, 3495, 8621, 9465, 23347, 25863, 43105, 70041, 116735, 129315, 147023, 350205, 441069, 735115, 2205345, 5439851, 16319553, 27199255, 81597765]

約数ペア:

[(1, 81597765), (3, 27199255), (5, 16319553), (15, 5439851), (37, 2205345), (111, 735115), (185, 441069), (233, 350205), (555, 147023), (631, 129315), (699, 116735), (1165, 70041), (1893, 43105), (3155, 25863), (3495, 23347), (8621, 9465)]