855117

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 32

約数和(自身を含む): 1416960

約数和(自身を除く): 561843

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 243, 391, 459, 621, 729, 1173, 1377, 1863, 2187, 3519, 4131, 5589, 10557, 12393, 16767, 31671, 37179, 50301, 95013, 285039, 855117]

約数ペア:

[(1, 855117), (3, 285039), (9, 95013), (17, 50301), (23, 37179), (27, 31671), (51, 16767), (69, 12393), (81, 10557), (153, 5589), (207, 4131), (243, 3519), (391, 2187), (459, 1863), (621, 1377), (729, 1173)]