71530815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{280513}}^1$

素因数の和:280538

約数の個数: 16

約数和(自身を含む): 121182048

約数和(自身を除く): 49651233

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 280513, 841539, 1402565, 4207695, 4768721, 14306163, 23843605, 71530815]

約数ペア:

[(1, 71530815), (3, 23843605), (5, 14306163), (15, 4768721), (17, 4207695), (51, 1402565), (85, 841539), (255, 280513)]