131213055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{514561}}^1$

素因数の和:514586

約数の個数: 16

約数和(自身を含む): 222290784

約数和(自身を除く): 91077729

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 514561, 1543683, 2572805, 7718415, 8747537, 26242611, 43737685, 131213055]

約数ペア:

[(1, 131213055), (3, 43737685), (5, 26242611), (15, 8747537), (17, 7718415), (51, 2572805), (85, 1543683), (255, 514561)]