81427257

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1723}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 121024800

約数和(自身を除く): 39597543

約数列:

[1, 3, 9, 59, 89, 177, 267, 531, 801, 1723, 5169, 5251, 15507, 15753, 47259, 101657, 153347, 304971, 460041, 914913, 1380123, 9047473, 27142419, 81427257]

約数ペア:

[(1, 81427257), (3, 27142419), (9, 9047473), (59, 1380123), (89, 914913), (177, 460041), (267, 304971), (531, 153347), (801, 101657), (1723, 47259), (5169, 15753), (5251, 15507)]