208029969

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{194239}}^1$

素因数の和:194269

約数の個数: 24

約数和(自身を含む): 363617280

約数和(自身を除く): 155587311

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 194239, 582717, 1359673, 1748151, 3302063, 4079019, 9906189, 12237057, 23114441, 29718567, 69343323, 208029969]

約数ペア:

[(1, 208029969), (3, 69343323), (7, 29718567), (9, 23114441), (17, 12237057), (21, 9906189), (51, 4079019), (63, 3302063), (119, 1748151), (153, 1359673), (357, 582717), (1071, 194239)]