128520675

素因数分解:

$3^4\times 5^2\times {\mathrm{63467}}^1$

素因数の和:63489

約数の個数: 30

約数和(自身を含む): 238068468

約数和(自身を除く): 109547793

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 63467, 190401, 317335, 571203, 952005, 1586675, 1713609, 2856015, 4760025, 5140827, 8568045, 14280075, 25704135, 42840225, 128520675]

約数ペア:

[(1, 128520675), (3, 42840225), (5, 25704135), (9, 14280075), (15, 8568045), (25, 5140827), (27, 4760025), (45, 2856015), (75, 1713609), (81, 1586675), (135, 952005), (225, 571203), (405, 317335), (675, 190401), (2025, 63467)]