80457951

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{28807}}^1$

素因数の和:28843

約数の個数: 24

約数和(自身を含む): 131364480

約数和(自身を除く): 50906529

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 28807, 86421, 201649, 547333, 604947, 1411543, 1641999, 3831331, 4234629, 11493993, 26819317, 80457951]

約数ペア:

[(1, 80457951), (3, 26819317), (7, 11493993), (19, 4234629), (21, 3831331), (49, 1641999), (57, 1411543), (133, 604947), (147, 547333), (399, 201649), (931, 86421), (2793, 28807)]