15881247

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4513}}^1$

素因数の和:4559

約数の個数: 24

約数和(自身を含む): 25350624

約数和(自身を除く): 9469377

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 4513, 13539, 40617, 76721, 103799, 230163, 311397, 690489, 934191, 1764583, 5293749, 15881247]

約数ペア:

[(1, 15881247), (3, 5293749), (9, 1764583), (17, 934191), (23, 690489), (51, 311397), (69, 230163), (153, 103799), (207, 76721), (391, 40617), (1173, 13539), (3519, 4513)]