21602727

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 12611673

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 809, 989, 1161, 2427, 2967, 7281, 8901, 18607, 21843, 26703, 34787, 55821, 104361, 167463, 313083, 502389, 800101, 939249, 2400303, 7200909, 21602727]

約数ペア:

[(1, 21602727), (3, 7200909), (9, 2400303), (23, 939249), (27, 800101), (43, 502389), (69, 313083), (129, 167463), (207, 104361), (387, 55821), (621, 34787), (809, 26703), (989, 21843), (1161, 18607), (2427, 8901), (2967, 7281)]