172977145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{31139}}^1$

素因数の和:31256

約数の個数: 16

約数和(自身を含む): 228692160

約数和(自身を除く): 55715015

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5555, 31139, 155695, 342529, 1712645, 3145039, 15725195, 34595429, 172977145]

約数ペア:

[(1, 172977145), (5, 34595429), (11, 15725195), (55, 3145039), (101, 1712645), (505, 342529), (1111, 155695), (5555, 31139)]