206987787

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{577}}^1\times {\mathrm{1733}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 312702624

約数和(自身を除く): 105714837

約数列:

[1, 3, 9, 23, 69, 207, 577, 1731, 1733, 5193, 5199, 13271, 15597, 39813, 39859, 119439, 119577, 358731, 999941, 2999823, 8999469, 22998643, 68995929, 206987787]

約数ペア:

[(1, 206987787), (3, 68995929), (9, 22998643), (23, 8999469), (69, 2999823), (207, 999941), (577, 358731), (1731, 119577), (1733, 119439), (5193, 39859), (5199, 39813), (13271, 15597)]