68220747

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{25183}}^1$

素因数の和:25239

約数の個数: 24

約数和(自身を含む): 115241984

約数和(自身を除く): 47021237

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 25183, 75549, 176281, 226647, 528843, 1082869, 1586529, 3248607, 7580083, 9745821, 22740249, 68220747]

約数ペア:

[(1, 68220747), (3, 22740249), (7, 9745821), (9, 7580083), (21, 3248607), (43, 1586529), (63, 1082869), (129, 528843), (301, 226647), (387, 176281), (903, 75549), (2709, 25183)]