216804519

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2101

約数の個数: 40

約数和(自身を含む): 347434560

約数和(自身を除く): 130630041

約数列:

[1, 3, 9, 17, 27, 51, 79, 81, 153, 237, 459, 711, 1343, 1377, 1993, 2133, 4029, 5979, 6399, 12087, 17937, 33881, 36261, 53811, 101643, 108783, 157447, 161433, 304929, 472341, 914787, 1417023, 2676599, 2744361, 4251069, 8029797, 12753207, 24089391, 72268173, 216804519]

約数ペア:

[(1, 216804519), (3, 72268173), (9, 24089391), (17, 12753207), (27, 8029797), (51, 4251069), (79, 2744361), (81, 2676599), (153, 1417023), (237, 914787), (459, 472341), (711, 304929), (1343, 161433), (1377, 157447), (1993, 108783), (2133, 101643), (4029, 53811), (5979, 36261), (6399, 33881), (12087, 17937)]