868704447

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{39847}}^1$

素因数の和:39919

約数の個数: 24

約数和(自身を含む): 1283424384

約数和(自身を除く): 414719937

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 1677, 7267, 21801, 39847, 119541, 518011, 1554033, 1713421, 5140263, 6734143, 20202429, 22274473, 66823419, 289568149, 868704447]

約数ペア:

[(1, 868704447), (3, 289568149), (13, 66823419), (39, 22274473), (43, 20202429), (129, 6734143), (169, 5140263), (507, 1713421), (559, 1554033), (1677, 518011), (7267, 119541), (21801, 39847)]