81157965

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{110419}}^1$

素因数の和:110441

約数の個数: 24

約数和(自身を含む): 151054560

約数和(自身を除く): 69896595

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 110419, 331257, 552095, 772933, 1656285, 2318799, 3864665, 5410531, 11593995, 16231593, 27052655, 81157965]

約数ペア:

[(1, 81157965), (3, 27052655), (5, 16231593), (7, 11593995), (15, 5410531), (21, 3864665), (35, 2318799), (49, 1656285), (105, 772933), (147, 552095), (245, 331257), (735, 110419)]