127991215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{136889}}^1$

素因数の和:136922

約数の個数: 16

約数和(自身を含む): 177409440

約数和(自身を除く): 49418225

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 136889, 684445, 1505779, 2327113, 7528895, 11635565, 25598243, 127991215]

約数ペア:

[(1, 127991215), (5, 25598243), (11, 11635565), (17, 7528895), (55, 2327113), (85, 1505779), (187, 684445), (935, 136889)]