40419729

素因数分解:

$3^4\times 7^1\times {\mathrm{71287}}^1$

素因数の和:71306

約数の個数: 20

約数和(自身を含む): 69006784

約数和(自身を除く): 28587055

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 71287, 213861, 499009, 641583, 1497027, 1924749, 4491081, 5774247, 13473243, 40419729]

約数ペア:

[(1, 40419729), (3, 13473243), (7, 5774247), (9, 4491081), (21, 1924749), (27, 1497027), (63, 641583), (81, 499009), (189, 213861), (567, 71287)]