9874865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 15918336

約数和(自身を除く): 6043471

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 1973, 5005, 9865, 13811, 21703, 25649, 69055, 108515, 128245, 151921, 179543, 282139, 759605, 897715, 1410695, 1974973, 9874865]

約数ペア:

[(1, 9874865), (5, 1974973), (7, 1410695), (11, 897715), (13, 759605), (35, 282139), (55, 179543), (65, 151921), (77, 128245), (91, 108515), (143, 69055), (385, 25649), (455, 21703), (715, 13811), (1001, 9865), (1973, 5005)]