268783821

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{3359}}^1$

素因数の和:3905

約数の個数: 24

約数和(自身を含む): 411989760

約数和(自身を除く): 143205939

約数列:

[1, 3, 9, 17, 51, 153, 523, 1569, 3359, 4707, 8891, 10077, 26673, 30231, 57103, 80019, 171309, 513927, 1756757, 5270271, 15810813, 29864869, 89594607, 268783821]

約数ペア:

[(1, 268783821), (3, 89594607), (9, 29864869), (17, 15810813), (51, 5270271), (153, 1756757), (523, 513927), (1569, 171309), (3359, 80019), (4707, 57103), (8891, 30231), (10077, 26673)]