651977739

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 1145795040

約数和(自身を除く): 493817301

約数列:

[1, 3, 7, 9, 21, 29, 43, 63, 87, 129, 193, 203, 261, 301, 387, 579, 609, 903, 1247, 1351, 1737, 1827, 1849, 2709, 3741, 4053, 5547, 5597, 8299, 8729, 11223, 12159, 12943, 16641, 16791, 24897, 26187, 38829, 39179, 50373, 53621, 58093, 74691, 78561, 116487, 117537, 160863, 174279, 240671, 352611, 356857, 375347, 482589, 522837, 722013, 1070571, 1126041, 1684697, 2166039, 2497999, 3211713, 3378123, 5054091, 7493997, 10348853, 15162273, 22481991, 31046559, 72441971, 93139677, 217325913, 651977739]

約数ペア:

[(1, 651977739), (3, 217325913), (7, 93139677), (9, 72441971), (21, 31046559), (29, 22481991), (43, 15162273), (63, 10348853), (87, 7493997), (129, 5054091), (193, 3378123), (203, 3211713), (261, 2497999), (301, 2166039), (387, 1684697), (579, 1126041), (609, 1070571), (903, 722013), (1247, 522837), (1351, 482589), (1737, 375347), (1827, 356857), (1849, 352611), (2709, 240671), (3741, 174279), (4053, 160863), (5547, 117537), (5597, 116487), (8299, 78561), (8729, 74691), (11223, 58093), (12159, 53621), (12943, 50373), (16641, 39179), (16791, 38829), (24897, 26187)]