81335805

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1451}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 135070848

約数和(自身を除く): 53735043

約数列:

[1, 3, 5, 15, 37, 101, 111, 185, 303, 505, 555, 1451, 1515, 3737, 4353, 7255, 11211, 18685, 21765, 53687, 56055, 146551, 161061, 268435, 439653, 732755, 805305, 2198265, 5422387, 16267161, 27111935, 81335805]

約数ペア:

[(1, 81335805), (3, 27111935), (5, 16267161), (15, 5422387), (37, 2198265), (101, 805305), (111, 732755), (185, 439653), (303, 268435), (505, 161061), (555, 146551), (1451, 56055), (1515, 53687), (3737, 21765), (4353, 18685), (7255, 11211)]