91172921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20707}}^1$

素因数の和:20768

約数の個数: 16

約数和(自身を含む): 113314176

約数和(自身を除く): 22141255

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 20707, 144949, 352019, 766159, 2464133, 5363113, 13024703, 91172921]

約数ペア:

[(1, 91172921), (7, 13024703), (17, 5363113), (37, 2464133), (119, 766159), (259, 352019), (629, 144949), (4403, 20707)]