28595025

素因数分解:

$3^7\times 5^2\times {\mathrm{523}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 53280320

約数和(自身を除く): 24685295

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 523, 675, 729, 1215, 1569, 2025, 2187, 2615, 3645, 4707, 6075, 7845, 10935, 13075, 14121, 18225, 23535, 39225, 42363, 54675, 70605, 117675, 127089, 211815, 353025, 381267, 635445, 1059075, 1143801, 1906335, 3177225, 5719005, 9531675, 28595025]

約数ペア:

[(1, 28595025), (3, 9531675), (5, 5719005), (9, 3177225), (15, 1906335), (25, 1143801), (27, 1059075), (45, 635445), (75, 381267), (81, 353025), (135, 211815), (225, 127089), (243, 117675), (405, 70605), (523, 54675), (675, 42363), (729, 39225), (1215, 23535), (1569, 18225), (2025, 14121), (2187, 13075), (2615, 10935), (3645, 7845), (4707, 6075)]