51300849

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 75081600

約数和(自身を除く): 23780751

約数列:

[1, 3, 17, 43, 51, 129, 149, 157, 447, 471, 731, 2193, 2533, 2669, 6407, 6751, 7599, 8007, 19221, 20253, 23393, 70179, 108919, 114767, 326757, 344301, 397681, 1005899, 1193043, 3017697, 17100283, 51300849]

約数ペア:

[(1, 51300849), (3, 17100283), (17, 3017697), (43, 1193043), (51, 1005899), (129, 397681), (149, 344301), (157, 326757), (447, 114767), (471, 108919), (731, 70179), (2193, 23393), (2533, 20253), (2669, 19221), (6407, 8007), (6751, 7599)]