387220977

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6997}}^1$

素因数の和:7070

約数の個数: 48

約数和(自身を含む): 672479808

約数和(自身を除く): 285258831

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 387, 429, 473, 559, 1287, 1419, 1677, 4257, 5031, 6149, 6997, 18447, 20991, 55341, 62973, 76967, 90961, 230901, 272883, 300871, 692703, 818649, 902613, 1000571, 2707839, 3001713, 3309581, 3911323, 9005139, 9928743, 11733969, 29786229, 35201907, 43024553, 129073659, 387220977]

約数ペア:

[(1, 387220977), (3, 129073659), (9, 43024553), (11, 35201907), (13, 29786229), (33, 11733969), (39, 9928743), (43, 9005139), (99, 3911323), (117, 3309581), (129, 3001713), (143, 2707839), (387, 1000571), (429, 902613), (473, 818649), (559, 692703), (1287, 300871), (1419, 272883), (1677, 230901), (4257, 90961), (5031, 76967), (6149, 62973), (6997, 55341), (18447, 20991)]