261239679

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{293}}^1\times {\mathrm{631}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 381649632

約数和(自身を除く): 120409953

約数列:

[1, 3, 9, 157, 293, 471, 631, 879, 1413, 1893, 2637, 5679, 46001, 99067, 138003, 184883, 297201, 414009, 554649, 891603, 1663947, 29026631, 87079893, 261239679]

約数ペア:

[(1, 261239679), (3, 87079893), (9, 29026631), (157, 1663947), (293, 891603), (471, 554649), (631, 414009), (879, 297201), (1413, 184883), (1893, 138003), (2637, 99067), (5679, 46001)]