206517843

素因数分解:

$3^4\times 7^1\times {\mathrm{457}}^1\times {\mathrm{797}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 353788512

約数和(自身を除く): 147270669

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 457, 567, 797, 1371, 2391, 3199, 4113, 5579, 7173, 9597, 12339, 16737, 21519, 28791, 37017, 50211, 64557, 86373, 150633, 259119, 364229, 451899, 1092687, 2549603, 3278061, 7648809, 9834183, 22946427, 29502549, 68839281, 206517843]

約数ペア:

[(1, 206517843), (3, 68839281), (7, 29502549), (9, 22946427), (21, 9834183), (27, 7648809), (63, 3278061), (81, 2549603), (189, 1092687), (457, 451899), (567, 364229), (797, 259119), (1371, 150633), (2391, 86373), (3199, 64557), (4113, 50211), (5579, 37017), (7173, 28791), (9597, 21519), (12339, 16737)]