28019115

素因数分解:

$3^6\times 5^1\times {\mathrm{7687}}^1$

素因数の和:7710

約数の個数: 28

約数和(自身を含む): 50417904

約数和(自身を除く): 22398789

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 7687, 23061, 38435, 69183, 115305, 207549, 345915, 622647, 1037745, 1867941, 3113235, 5603823, 9339705, 28019115]

約数ペア:

[(1, 28019115), (3, 9339705), (5, 5603823), (9, 3113235), (15, 1867941), (27, 1037745), (45, 622647), (81, 345915), (135, 207549), (243, 115305), (405, 69183), (729, 38435), (1215, 23061), (3645, 7687)]