31439715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 53706240

約数和(自身を除く): 22266525

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 695, 887, 2085, 2363, 2661, 4435, 7089, 11815, 13305, 15079, 35445, 45237, 75395, 123293, 226185, 369879, 616465, 1849395, 2095981, 6287943, 10479905, 31439715]

約数ペア:

[(1, 31439715), (3, 10479905), (5, 6287943), (15, 2095981), (17, 1849395), (51, 616465), (85, 369879), (139, 226185), (255, 123293), (417, 75395), (695, 45237), (887, 35445), (2085, 15079), (2363, 13305), (2661, 11815), (4435, 7089)]