257211135

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{37853}}^1$

素因数の和:38015

約数の個数: 24

約数和(自身を含む): 448797024

約数和(自身を除く): 191585889

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 6795, 37853, 113559, 189265, 340677, 567795, 1703385, 5715803, 17147409, 28579015, 51442227, 85737045, 257211135]

約数ペア:

[(1, 257211135), (3, 85737045), (5, 51442227), (9, 28579015), (15, 17147409), (45, 5715803), (151, 1703385), (453, 567795), (755, 340677), (1359, 189265), (2265, 113559), (6795, 37853)]