66619719

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7684

約数の個数: 32

約数和(自身を含む): 110016000

約数和(自身を除く): 43396281

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2907, 7639, 8721, 22917, 68751, 129863, 145141, 206253, 389589, 435423, 1168767, 1306269, 2467397, 3506301, 3918807, 7402191, 22206573, 66619719]

約数ペア:

[(1, 66619719), (3, 22206573), (9, 7402191), (17, 3918807), (19, 3506301), (27, 2467397), (51, 1306269), (57, 1168767), (153, 435423), (171, 389589), (323, 206253), (459, 145141), (513, 129863), (969, 68751), (2907, 22917), (7639, 8721)]