210976245

素因数分解:

$3^6\times 5^1\times {\mathrm{57881}}^1$

素因数の和:57904

約数の個数: 28

約数和(自身を含む): 379590156

約数和(自身を除く): 168613911

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 57881, 173643, 289405, 520929, 868215, 1562787, 2604645, 4688361, 7813935, 14065083, 23441805, 42195249, 70325415, 210976245]

約数ペア:

[(1, 210976245), (3, 70325415), (5, 42195249), (9, 23441805), (15, 14065083), (27, 7813935), (45, 4688361), (81, 2604645), (135, 1562787), (243, 868215), (405, 520929), (729, 289405), (1215, 173643), (3645, 57881)]