42640521

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 72573312

約数和(自身を除く): 29932791

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 121, 173, 231, 291, 363, 519, 679, 847, 1067, 1211, 1903, 2037, 2541, 3201, 3633, 5709, 7469, 11737, 13321, 16781, 20933, 22407, 35211, 39963, 50343, 62799, 82159, 117467, 146531, 184591, 246477, 352401, 439593, 553773, 1292137, 2030501, 3876411, 6091503, 14213507, 42640521]

約数ペア:

[(1, 42640521), (3, 14213507), (7, 6091503), (11, 3876411), (21, 2030501), (33, 1292137), (77, 553773), (97, 439593), (121, 352401), (173, 246477), (231, 184591), (291, 146531), (363, 117467), (519, 82159), (679, 62799), (847, 50343), (1067, 39963), (1211, 35211), (1903, 22407), (2037, 20933), (2541, 16781), (3201, 13321), (3633, 11737), (5709, 7469)]