26998665

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 18482295

約数列:

[1, 3, 5, 15, 23, 69, 115, 139, 345, 417, 563, 695, 1689, 2085, 2815, 3197, 8445, 9591, 12949, 15985, 38847, 47955, 64745, 78257, 194235, 234771, 391285, 1173855, 1799911, 5399733, 8999555, 26998665]

約数ペア:

[(1, 26998665), (3, 8999555), (5, 5399733), (15, 1799911), (23, 1173855), (69, 391285), (115, 234771), (139, 194235), (345, 78257), (417, 64745), (563, 47955), (695, 38847), (1689, 15985), (2085, 12949), (2815, 9591), (3197, 8445)]