307890405

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{27259}}^1$

素因数の和:27521

約数の個数: 24

約数和(自身を含む): 535822560

約数和(自身を除く): 227932155

約数列:

[1, 3, 5, 9, 15, 45, 251, 753, 1255, 2259, 3765, 11295, 27259, 81777, 136295, 245331, 408885, 1226655, 6842009, 20526027, 34210045, 61578081, 102630135, 307890405]

約数ペア:

[(1, 307890405), (3, 102630135), (5, 61578081), (9, 34210045), (15, 20526027), (45, 6842009), (251, 1226655), (753, 408885), (1255, 245331), (2259, 136295), (3765, 81777), (11295, 27259)]