25191981

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 37889280

約数和(自身を除く): 12697299

約数列:

[1, 3, 9, 29, 87, 261, 263, 367, 789, 1101, 2367, 3303, 7627, 10643, 22881, 31929, 68643, 95787, 96521, 289563, 868689, 2799109, 8397327, 25191981]

約数ペア:

[(1, 25191981), (3, 8397327), (9, 2799109), (29, 868689), (87, 289563), (261, 96521), (263, 95787), (367, 68643), (789, 31929), (1101, 22881), (2367, 10643), (3303, 7627)]