72550569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 55183191

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 71, 91, 133, 197, 213, 247, 273, 399, 497, 591, 741, 923, 1349, 1379, 1491, 1729, 2561, 2769, 3743, 4047, 4137, 5187, 6461, 7683, 9443, 11229, 13987, 17537, 17927, 19383, 26201, 28329, 41961, 48659, 52611, 53781, 78603, 97909, 122759, 145977, 181831, 265753, 293727, 340613, 368277, 545493, 797259, 1021839, 1272817, 1860271, 3454789, 3818451, 5580813, 10364367, 24183523, 72550569]

約数ペア:

[(1, 72550569), (3, 24183523), (7, 10364367), (13, 5580813), (19, 3818451), (21, 3454789), (39, 1860271), (57, 1272817), (71, 1021839), (91, 797259), (133, 545493), (197, 368277), (213, 340613), (247, 293727), (273, 265753), (399, 181831), (497, 145977), (591, 122759), (741, 97909), (923, 78603), (1349, 53781), (1379, 52611), (1491, 48659), (1729, 41961), (2561, 28329), (2769, 26201), (3743, 19383), (4047, 17927), (4137, 17537), (5187, 13987), (6461, 11229), (7683, 9443)]