668836233

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6997}}^1$

素因数の和:7078

約数の個数: 48

約数和(自身を含む): 1120799680

約数和(自身を除く): 451963447

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 117, 129, 171, 247, 387, 559, 741, 817, 1677, 2223, 2451, 5031, 6997, 7353, 10621, 20991, 31863, 62973, 90961, 95589, 132943, 272883, 300871, 398829, 818649, 902613, 1196487, 1728259, 2707839, 3911323, 5184777, 5716549, 11733969, 15554331, 17149647, 35201907, 51448941, 74315137, 222945411, 668836233]

約数ペア:

[(1, 668836233), (3, 222945411), (9, 74315137), (13, 51448941), (19, 35201907), (39, 17149647), (43, 15554331), (57, 11733969), (117, 5716549), (129, 5184777), (171, 3911323), (247, 2707839), (387, 1728259), (559, 1196487), (741, 902613), (817, 818649), (1677, 398829), (2223, 300871), (2451, 272883), (5031, 132943), (6997, 95589), (7353, 90961), (10621, 62973), (20991, 31863)]