1637232639

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 2634240000

約数和(自身を除く): 997007361

約数列:

[1, 3, 7, 21, 47, 49, 97, 141, 147, 291, 329, 343, 349, 679, 987, 1029, 1047, 2037, 2303, 2443, 4559, 4753, 6909, 7329, 13677, 14259, 16121, 16403, 17101, 31913, 33271, 33853, 48363, 49209, 51303, 95739, 99813, 101559, 114821, 119707, 223391, 236971, 344463, 359121, 670173, 710913, 803747, 1563737, 1591091, 1658797, 2411241, 4691211, 4773273, 4976391, 5626229, 11137637, 11611579, 16878687, 33412911, 34834737, 77963459, 233890377, 545744213, 1637232639]

約数ペア:

[(1, 1637232639), (3, 545744213), (7, 233890377), (21, 77963459), (47, 34834737), (49, 33412911), (97, 16878687), (141, 11611579), (147, 11137637), (291, 5626229), (329, 4976391), (343, 4773273), (349, 4691211), (679, 2411241), (987, 1658797), (1029, 1591091), (1047, 1563737), (2037, 803747), (2303, 710913), (2443, 670173), (4559, 359121), (4753, 344463), (6909, 236971), (7329, 223391), (13677, 119707), (14259, 114821), (16121, 101559), (16403, 99813), (17101, 95739), (31913, 51303), (33271, 49209), (33853, 48363)]