890995131

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{177101}}^1$

素因数の和:177163

約数の個数: 24

約数和(自身を含む): 1418232816

約数和(自身を除く): 527237685

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 177101, 531303, 1593909, 2302313, 6906939, 7615343, 20720817, 22846029, 68538087, 98999459, 296998377, 890995131]

約数ペア:

[(1, 890995131), (3, 296998377), (9, 98999459), (13, 68538087), (39, 22846029), (43, 20720817), (117, 7615343), (129, 6906939), (387, 2302313), (559, 1593909), (1677, 531303), (5031, 177101)]