161880345

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2083}}^1$

素因数の和:2262

約数の個数: 48

約数和(自身を含む): 308198592

約数和(自身を除く): 146318247

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 157, 165, 471, 495, 785, 1413, 1727, 2083, 2355, 5181, 6249, 7065, 8635, 10415, 15543, 18747, 22913, 25905, 31245, 68739, 77715, 93735, 114565, 206217, 327031, 343695, 981093, 1031085, 1635155, 2943279, 3597341, 4905465, 10792023, 14716395, 17986705, 32376069, 53960115, 161880345]

約数ペア:

[(1, 161880345), (3, 53960115), (5, 32376069), (9, 17986705), (11, 14716395), (15, 10792023), (33, 4905465), (45, 3597341), (55, 2943279), (99, 1635155), (157, 1031085), (165, 981093), (471, 343695), (495, 327031), (785, 206217), (1413, 114565), (1727, 93735), (2083, 77715), (2355, 68739), (5181, 31245), (6249, 25905), (7065, 22913), (8635, 18747), (10415, 15543)]