40490397

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 60005088

約数和(自身を除く): 19514691

約数列:

[1, 3, 9, 61, 131, 183, 393, 549, 563, 1179, 1689, 5067, 7991, 23973, 34343, 71919, 73753, 103029, 221259, 309087, 663777, 4498933, 13496799, 40490397]

約数ペア:

[(1, 40490397), (3, 13496799), (9, 4498933), (61, 663777), (131, 309087), (183, 221259), (393, 103029), (549, 73753), (563, 71919), (1179, 34343), (1689, 23973), (5067, 7991)]