18017235

素因数分解:

$3^6\times 5^1\times {\mathrm{4943}}^1$

素因数の和:4966

約数の個数: 28

約数和(自身を含む): 32422752

約数和(自身を除く): 14405517

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 4943, 14829, 24715, 44487, 74145, 133461, 222435, 400383, 667305, 1201149, 2001915, 3603447, 6005745, 18017235]

約数ペア:

[(1, 18017235), (3, 6005745), (5, 3603447), (9, 2001915), (15, 1201149), (27, 667305), (45, 400383), (81, 222435), (135, 133461), (243, 74145), (405, 44487), (729, 24715), (1215, 14829), (3645, 4943)]