1640887923

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{684559}}^1$

素因数の和:684626

約数の個数: 16

約数和(自身を含む): 2365839360

約数和(自身を除く): 724951437

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 684559, 2053677, 11637503, 32174273, 34912509, 96522819, 546962641, 1640887923]

約数ペア:

[(1, 1640887923), (3, 546962641), (17, 96522819), (47, 34912509), (51, 32174273), (141, 11637503), (799, 2053677), (2397, 684559)]