40928181

素因数分解:

$3^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{547}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 63721440

約数和(自身を除く): 22793259

約数列:

[1, 3, 7, 21, 49, 147, 509, 547, 1527, 1641, 3563, 3829, 10689, 11487, 24941, 26803, 74823, 80409, 278423, 835269, 1948961, 5846883, 13642727, 40928181]

約数ペア:

[(1, 40928181), (3, 13642727), (7, 5846883), (21, 1948961), (49, 835269), (147, 278423), (509, 80409), (547, 74823), (1527, 26803), (1641, 24941), (3563, 11487), (3829, 10689)]