639508023

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2857}}^1$

素因数の和:2917

約数の個数: 96

約数和(自身を含む): 1284042240

約数和(自身を除く): 644534217

約数列:

[1, 3, 7, 9, 11, 17, 19, 21, 33, 51, 57, 63, 77, 99, 119, 133, 153, 171, 187, 209, 231, 323, 357, 399, 561, 627, 693, 969, 1071, 1197, 1309, 1463, 1683, 1881, 2261, 2857, 2907, 3553, 3927, 4389, 6783, 8571, 10659, 11781, 13167, 19999, 20349, 24871, 25713, 31427, 31977, 48569, 54283, 59997, 74613, 94281, 145707, 162849, 179991, 219989, 223839, 282843, 339983, 379981, 437121, 488547, 534259, 597113, 659967, 922811, 1019949, 1139943, 1602777, 1791339, 1979901, 2768433, 3059847, 3419829, 3739813, 4179791, 4808331, 5374017, 6459677, 8305299, 10150921, 11219439, 12539373, 19379031, 30452763, 33658317, 37618119, 58137093, 71056447, 91358289, 213169341, 639508023]

約数ペア:

[(1, 639508023), (3, 213169341), (7, 91358289), (9, 71056447), (11, 58137093), (17, 37618119), (19, 33658317), (21, 30452763), (33, 19379031), (51, 12539373), (57, 11219439), (63, 10150921), (77, 8305299), (99, 6459677), (119, 5374017), (133, 4808331), (153, 4179791), (171, 3739813), (187, 3419829), (209, 3059847), (231, 2768433), (323, 1979901), (357, 1791339), (399, 1602777), (561, 1139943), (627, 1019949), (693, 922811), (969, 659967), (1071, 597113), (1197, 534259), (1309, 488547), (1463, 437121), (1683, 379981), (1881, 339983), (2261, 282843), (2857, 223839), (2907, 219989), (3553, 179991), (3927, 162849), (4389, 145707), (6783, 94281), (8571, 74613), (10659, 59997), (11781, 54283), (13167, 48569), (19999, 31977), (20349, 31427), (24871, 25713)]