28369557

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4421}}^1$

素因数の和:4481

約数の個数: 24

約数和(自身を含む): 44149248

約数和(自身を除く): 15779691

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 4421, 6417, 13263, 39789, 101683, 137051, 305049, 411153, 915147, 1233459, 3152173, 9456519, 28369557]

約数ペア:

[(1, 28369557), (3, 9456519), (9, 3152173), (23, 1233459), (31, 915147), (69, 411153), (93, 305049), (207, 137051), (279, 101683), (713, 39789), (2139, 13263), (4421, 6417)]