81018945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13537}}^1$

素因数の和:13574

約数の個数: 48

約数和(自身を含む): 168954240

約数和(自身を除く): 87935295

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 5985, 13537, 40611, 67685, 94759, 121833, 203055, 257203, 284277, 473795, 609165, 771609, 852831, 1286015, 1421385, 1800421, 2314827, 3858045, 4264155, 5401263, 9002105, 11574135, 16203789, 27006315, 81018945]

約数ペア:

[(1, 81018945), (3, 27006315), (5, 16203789), (7, 11574135), (9, 9002105), (15, 5401263), (19, 4264155), (21, 3858045), (35, 2314827), (45, 1800421), (57, 1421385), (63, 1286015), (95, 852831), (105, 771609), (133, 609165), (171, 473795), (285, 284277), (315, 257203), (399, 203055), (665, 121833), (855, 94759), (1197, 67685), (1995, 40611), (5985, 13537)]