56680407

素因数分解:

$3^2\times 7^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 60

約数和(自身を含む): 99334664

約数和(自身を除く): 42654257

約数列:

[1, 3, 7, 9, 21, 43, 49, 61, 63, 129, 147, 183, 301, 343, 387, 427, 441, 549, 903, 1029, 1281, 2107, 2401, 2623, 2709, 2989, 3087, 3843, 6321, 7203, 7869, 8967, 14749, 18361, 18963, 20923, 21609, 23607, 26901, 44247, 55083, 62769, 103243, 128527, 132741, 146461, 165249, 188307, 309729, 385581, 439383, 899689, 929187, 1156743, 1318149, 2699067, 6297823, 8097201, 18893469, 56680407]

約数ペア:

[(1, 56680407), (3, 18893469), (7, 8097201), (9, 6297823), (21, 2699067), (43, 1318149), (49, 1156743), (61, 929187), (63, 899689), (129, 439383), (147, 385581), (183, 309729), (301, 188307), (343, 165249), (387, 146461), (427, 132741), (441, 128527), (549, 103243), (903, 62769), (1029, 55083), (1281, 44247), (2107, 26901), (2401, 23607), (2623, 21609), (2709, 20923), (2989, 18963), (3087, 18361), (3843, 14749), (6321, 8967), (7203, 7869)]