138873654

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{208519}}^1$

素因数の和:208564

約数の個数: 24

約数和(自身を含む): 309026640

約数和(自身を除く): 170152986

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 208519, 417038, 625557, 1251114, 1876671, 3753342, 7715203, 15430406, 23145609, 46291218, 69436827, 138873654]

約数ペア:

[(1, 138873654), (2, 69436827), (3, 46291218), (6, 23145609), (9, 15430406), (18, 7715203), (37, 3753342), (74, 1876671), (111, 1251114), (222, 625557), (333, 417038), (666, 208519)]