40385373

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{18671}}^1$

素因数の和:18784

約数の個数: 16

約数和(自身を含む): 62140416

約数和(自身を除く): 21755043

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 18671, 56013, 130697, 392091, 1923113, 5769339, 13461791, 40385373]

約数ペア:

[(1, 40385373), (3, 13461791), (7, 5769339), (21, 1923113), (103, 392091), (309, 130697), (721, 56013), (2163, 18671)]