28123725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53569}}^1$

素因数の和:53589

約数の個数: 24

約数和(自身を含む): 53141440

約数和(自身を除く): 25017715

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 53569, 160707, 267845, 374983, 803535, 1124949, 1339225, 1874915, 4017675, 5624745, 9374575, 28123725]

約数ペア:

[(1, 28123725), (3, 9374575), (5, 5624745), (7, 4017675), (15, 1874915), (21, 1339225), (25, 1124949), (35, 803535), (75, 374983), (105, 267845), (175, 160707), (525, 53569)]