42987915

素因数分解:

$3^5\times 5^1\times {\mathrm{35381}}^1$

素因数の和:35401

約数の個数: 24

約数和(自身を含む): 77274288

約数和(自身を除く): 34286373

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 35381, 106143, 176905, 318429, 530715, 955287, 1592145, 2865861, 4776435, 8597583, 14329305, 42987915]

約数ペア:

[(1, 42987915), (3, 14329305), (5, 8597583), (9, 4776435), (15, 2865861), (27, 1592145), (45, 955287), (81, 530715), (135, 318429), (243, 176905), (405, 106143), (1215, 35381)]