247029345

素因数分解:

$3^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2687}}^1$

素因数の和:2931

約数の個数: 40

約数和(自身を含む): 444939264

約数和(自身を除く): 197909919

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 227, 405, 681, 1135, 2043, 2687, 3405, 6129, 8061, 10215, 13435, 18387, 24183, 30645, 40305, 72549, 91935, 120915, 217647, 362745, 609949, 1088235, 1829847, 3049745, 5489541, 9149235, 16468623, 27447705, 49405869, 82343115, 247029345]

約数ペア:

[(1, 247029345), (3, 82343115), (5, 49405869), (9, 27447705), (15, 16468623), (27, 9149235), (45, 5489541), (81, 3049745), (135, 1829847), (227, 1088235), (405, 609949), (681, 362745), (1135, 217647), (2043, 120915), (2687, 91935), (3405, 72549), (6129, 40305), (8061, 30645), (10215, 24183), (13435, 18387)]