217202319

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{74717}}^1$

素因数の和:74759

約数の個数: 24

約数和(自身を含む): 349680240

約数和(自身を除く): 132477921

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 74717, 224151, 672453, 1270189, 1419623, 3810567, 4258869, 11431701, 12776607, 24133591, 72400773, 217202319]

約数ペア:

[(1, 217202319), (3, 72400773), (9, 24133591), (17, 12776607), (19, 11431701), (51, 4258869), (57, 3810567), (153, 1419623), (171, 1270189), (323, 672453), (969, 224151), (2907, 74717)]