61771965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{242243}}^1$

素因数の和:242268

約数の個数: 16

約数和(自身を含む): 104649408

約数和(自身を除く): 42877443

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 242243, 726729, 1211215, 3633645, 4118131, 12354393, 20590655, 61771965]

約数ペア:

[(1, 61771965), (3, 20590655), (5, 12354393), (15, 4118131), (17, 3633645), (51, 1211215), (85, 726729), (255, 242243)]