42842961

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21937}}^1$

素因数の和:21981

約数の個数: 24

約数和(自身を含む): 73009664

約数和(自身を除く): 30166703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 21937, 65811, 153559, 197433, 460677, 680047, 1382031, 2040141, 4760329, 6120423, 14280987, 42842961]

約数ペア:

[(1, 42842961), (3, 14280987), (7, 6120423), (9, 4760329), (21, 2040141), (31, 1382031), (63, 680047), (93, 460677), (217, 197433), (279, 153559), (651, 65811), (1953, 21937)]