15885315

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 28987728

約数和(自身を除く): 13102413

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 643, 915, 1647, 1929, 2745, 3215, 4941, 5787, 8235, 9645, 17361, 24705, 28935, 39223, 52083, 86805, 117669, 196115, 260415, 353007, 588345, 1059021, 1765035, 3177063, 5295105, 15885315]

約数ペア:

[(1, 15885315), (3, 5295105), (5, 3177063), (9, 1765035), (15, 1059021), (27, 588345), (45, 353007), (61, 260415), (81, 196115), (135, 117669), (183, 86805), (305, 52083), (405, 39223), (549, 28935), (643, 24705), (915, 17361), (1647, 9645), (1929, 8235), (2745, 5787), (3215, 4941)]