81973045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{212917}}^1$

素因数の和:212940

約数の個数: 16

約数和(自身を含む): 122640768

約数和(自身を除く): 40667723

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 212917, 1064585, 1490419, 2342087, 7452095, 11710435, 16394609, 81973045]

約数ペア:

[(1, 81973045), (5, 16394609), (7, 11710435), (11, 7452095), (35, 2342087), (55, 1490419), (77, 1064585), (385, 212917)]