289773045

素因数分解:

$3^4\times 5^1\times {\mathrm{715489}}^1$

素因数の和:715506

約数の個数: 20

約数和(自身を含む): 519445740

約数和(自身を除く): 229672695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 715489, 2146467, 3577445, 6439401, 10732335, 19318203, 32197005, 57954609, 96591015, 289773045]

約数ペア:

[(1, 289773045), (3, 96591015), (5, 57954609), (9, 32197005), (15, 19318203), (27, 10732335), (45, 6439401), (81, 3577445), (135, 2146467), (405, 715489)]