28269405

素因数分解:

$3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 23622435

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 243, 265, 405, 439, 477, 795, 1215, 1317, 1431, 2195, 2385, 3951, 4293, 6585, 7155, 11853, 12879, 19755, 21465, 23267, 35559, 59265, 64395, 69801, 106677, 116335, 177795, 209403, 349005, 533385, 628209, 1047015, 1884627, 3141045, 5653881, 9423135, 28269405]

約数ペア:

[(1, 28269405), (3, 9423135), (5, 5653881), (9, 3141045), (15, 1884627), (27, 1047015), (45, 628209), (53, 533385), (81, 349005), (135, 209403), (159, 177795), (243, 116335), (265, 106677), (405, 69801), (439, 64395), (477, 59265), (795, 35559), (1215, 23267), (1317, 21465), (1431, 19755), (2195, 12879), (2385, 11853), (3951, 7155), (4293, 6585)]