81841185

素因数分解:

$3^6\times 5^1\times {\mathrm{22453}}^1$

素因数の和:22476

約数の個数: 28

約数和(自身を含む): 147253332

約数和(自身を除く): 65412147

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 22453, 67359, 112265, 202077, 336795, 606231, 1010385, 1818693, 3031155, 5456079, 9093465, 16368237, 27280395, 81841185]

約数ペア:

[(1, 81841185), (3, 27280395), (5, 16368237), (9, 9093465), (15, 5456079), (27, 3031155), (45, 1818693), (81, 1010385), (135, 606231), (243, 336795), (405, 202077), (729, 112265), (1215, 67359), (3645, 22453)]