47969091

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 76665600

約数和(自身を除く): 28696509

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 171, 213, 439, 513, 639, 1317, 1349, 1539, 1917, 3951, 4047, 5751, 8341, 11853, 12141, 25023, 31169, 35559, 36423, 75069, 93507, 109269, 225207, 280521, 592211, 675621, 841563, 1776633, 2524689, 5329899, 15989697, 47969091]

約数ペア:

[(1, 47969091), (3, 15989697), (9, 5329899), (19, 2524689), (27, 1776633), (57, 841563), (71, 675621), (81, 592211), (171, 280521), (213, 225207), (439, 109269), (513, 93507), (639, 75069), (1317, 36423), (1349, 35559), (1539, 31169), (1917, 25023), (3951, 12141), (4047, 11853), (5751, 8341)]