39840741

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{28933}}^1$

素因数の和:28962

約数の個数: 20

約数和(自身を含む): 63018252

約数和(自身を除く): 23177511

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 28933, 86799, 260397, 491861, 781191, 1475583, 2343573, 4426749, 13280247, 39840741]

約数ペア:

[(1, 39840741), (3, 13280247), (9, 4426749), (17, 2343573), (27, 1475583), (51, 781191), (81, 491861), (153, 260397), (459, 86799), (1377, 28933)]