28172265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170741}}^1$

素因数の和:170760

約数の個数: 16

約数和(自身を含む): 49173696

約数和(自身を除く): 21001431

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 170741, 512223, 853705, 1878151, 2561115, 5634453, 9390755, 28172265]

約数ペア:

[(1, 28172265), (3, 9390755), (5, 5634453), (11, 2561115), (15, 1878151), (33, 853705), (55, 512223), (165, 170741)]