139141919

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 168537600

約数和(自身を除く): 29395681

約数列:

[1, 7, 31, 49, 139, 217, 659, 973, 1519, 4309, 4613, 6811, 20429, 30163, 32291, 91601, 143003, 211141, 641207, 1001021, 2839631, 4488449, 19877417, 139141919]

約数ペア:

[(1, 139141919), (7, 19877417), (31, 4488449), (49, 2839631), (139, 1001021), (217, 641207), (659, 211141), (973, 143003), (1519, 91601), (4309, 32291), (4613, 30163), (6811, 20429)]