280394991

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{49531}}^1$

素因数の和:49591

約数の個数: 24

約数和(自身を含む): 440438544

約数和(自身を除く): 160043553

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 5661, 49531, 148593, 445779, 842027, 1832647, 2526081, 5497941, 7578243, 16493823, 31154999, 93464997, 280394991]

約数ペア:

[(1, 280394991), (3, 93464997), (9, 31154999), (17, 16493823), (37, 7578243), (51, 5497941), (111, 2526081), (153, 1832647), (333, 842027), (629, 445779), (1887, 148593), (5661, 49531)]