1993131

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 3485664

約数和(自身を除く): 1492533

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 1861, 5583, 13027, 16749, 31637, 39081, 94911, 117243, 221459, 284733, 664377, 1993131]

約数ペア:

[(1, 1993131), (3, 664377), (7, 284733), (9, 221459), (17, 117243), (21, 94911), (51, 39081), (63, 31637), (119, 16749), (153, 13027), (357, 5583), (1071, 1861)]