628432857

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 1029611520

約数和(自身を除く): 401178663

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 151, 167, 213, 351, 453, 501, 639, 923, 1359, 1503, 1917, 1963, 2171, 2769, 4077, 4509, 5889, 6513, 8307, 10721, 11857, 17667, 19539, 24921, 25217, 32163, 35571, 53001, 58617, 75651, 96489, 106713, 139373, 154141, 226953, 289467, 320139, 327821, 418119, 462423, 680859, 983463, 1254357, 1387269, 1790407, 2950389, 3763071, 4161807, 5371221, 8851167, 16113663, 23275291, 48340989, 69825873, 209477619, 628432857]

約数ペア:

[(1, 628432857), (3, 209477619), (9, 69825873), (13, 48340989), (27, 23275291), (39, 16113663), (71, 8851167), (117, 5371221), (151, 4161807), (167, 3763071), (213, 2950389), (351, 1790407), (453, 1387269), (501, 1254357), (639, 983463), (923, 680859), (1359, 462423), (1503, 418119), (1917, 327821), (1963, 320139), (2171, 289467), (2769, 226953), (4077, 154141), (4509, 139373), (5889, 106713), (6513, 96489), (8307, 75651), (10721, 58617), (11857, 53001), (17667, 35571), (19539, 32163), (24921, 25217)]