87774141

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 153062784

約数和(自身を除く): 65288643

約数列:

[1, 3, 7, 13, 21, 23, 39, 49, 69, 91, 147, 161, 273, 299, 483, 637, 897, 1127, 1911, 1997, 2093, 3381, 5991, 6279, 13979, 14651, 25961, 41937, 43953, 45931, 77883, 97853, 137793, 181727, 293559, 321517, 545181, 597103, 964551, 1272089, 1791309, 2250619, 3816267, 4179721, 6751857, 12539163, 29258047, 87774141]

約数ペア:

[(1, 87774141), (3, 29258047), (7, 12539163), (13, 6751857), (21, 4179721), (23, 3816267), (39, 2250619), (49, 1791309), (69, 1272089), (91, 964551), (147, 597103), (161, 545181), (273, 321517), (299, 293559), (483, 181727), (637, 137793), (897, 97853), (1127, 77883), (1911, 45931), (1997, 43953), (2093, 41937), (3381, 25961), (5991, 14651), (6279, 13979)]