61216965

素因数分解:

$3^4\times 5^1\times {\mathrm{151153}}^1$

素因数の和:151170

約数の個数: 20

約数和(自身を含む): 109737804

約数和(自身を除く): 48520839

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 151153, 453459, 755765, 1360377, 2267295, 4081131, 6801885, 12243393, 20405655, 61216965]

約数ペア:

[(1, 61216965), (3, 20405655), (5, 12243393), (9, 6801885), (15, 4081131), (27, 2267295), (45, 1360377), (81, 755765), (135, 453459), (405, 151153)]