40449861

素因数分解:

$3^4\times {\mathrm{563}}^1\times {\mathrm{887}}^1$

素因数の和:1462

約数の個数: 20

約数和(自身を含む): 60600672

約数和(自身を除く): 20150811

約数列:

[1, 3, 9, 27, 81, 563, 887, 1689, 2661, 5067, 7983, 15201, 23949, 45603, 71847, 499381, 1498143, 4494429, 13483287, 40449861]

約数ペア:

[(1, 40449861), (3, 13483287), (9, 4494429), (27, 1498143), (81, 499381), (563, 71847), (887, 45603), (1689, 23949), (2661, 15201), (5067, 7983)]