87885861

素因数分解:

$3^1\times 7^3\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 137625600

約数和(自身を除く): 49739739

約数列:

[1, 3, 7, 21, 49, 147, 223, 343, 383, 669, 1029, 1149, 1561, 2681, 4683, 8043, 10927, 18767, 32781, 56301, 76489, 85409, 131369, 229467, 256227, 394107, 597863, 1793589, 4185041, 12555123, 29295287, 87885861]

約数ペア:

[(1, 87885861), (3, 29295287), (7, 12555123), (21, 4185041), (49, 1793589), (147, 597863), (223, 394107), (343, 256227), (383, 229467), (669, 131369), (1029, 85409), (1149, 76489), (1561, 56301), (2681, 32781), (4683, 18767), (8043, 10927)]