71644923

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 123552000

約数和(自身を除く): 51907077

約数列:

[1, 3, 7, 9, 21, 43, 53, 63, 129, 159, 301, 371, 387, 477, 499, 903, 1113, 1497, 2279, 2709, 3339, 3493, 4491, 6837, 10479, 15953, 20511, 21457, 26447, 31437, 47859, 64371, 79341, 143577, 150199, 185129, 193113, 238023, 450597, 555387, 1137221, 1351791, 1666161, 3411663, 7960547, 10234989, 23881641, 71644923]

約数ペア:

[(1, 71644923), (3, 23881641), (7, 10234989), (9, 7960547), (21, 3411663), (43, 1666161), (53, 1351791), (63, 1137221), (129, 555387), (159, 450597), (301, 238023), (371, 193113), (387, 185129), (477, 150199), (499, 143577), (903, 79341), (1113, 64371), (1497, 47859), (2279, 31437), (2709, 26447), (3339, 21457), (3493, 20511), (4491, 15953), (6837, 10479)]