31108491

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1669}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 47762000

約数和(自身を除く): 16653509

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 1669, 2071, 5007, 6213, 15021, 18639, 31711, 95133, 181921, 285399, 545763, 1637289, 3456499, 10369497, 31108491]

約数ペア:

[(1, 31108491), (3, 10369497), (9, 3456499), (19, 1637289), (57, 545763), (109, 285399), (171, 181921), (327, 95133), (981, 31711), (1669, 18639), (2071, 15021), (5007, 6213)]