27297405

素因数分解:

$3^6\times 5^1\times {\mathrm{7489}}^1$

素因数の和:7512

約数の個数: 28

約数和(自身を含む): 49119420

約数和(自身を除く): 21822015

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 7489, 22467, 37445, 67401, 112335, 202203, 337005, 606609, 1011015, 1819827, 3033045, 5459481, 9099135, 27297405]

約数ペア:

[(1, 27297405), (3, 9099135), (5, 5459481), (9, 3033045), (15, 1819827), (27, 1011015), (45, 606609), (81, 337005), (135, 202203), (243, 112335), (405, 67401), (729, 37445), (1215, 22467), (3645, 7489)]