207812913

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{52919}}^1$

素因数の和:52957

約数の個数: 32

約数和(自身を含む): 365783040

約数和(自身を除く): 157970127

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 52919, 158757, 370433, 582109, 899623, 1111299, 1746327, 2698869, 4074763, 6297361, 9895853, 12224289, 18892083, 29687559, 69270971, 207812913]

約数ペア:

[(1, 207812913), (3, 69270971), (7, 29687559), (11, 18892083), (17, 12224289), (21, 9895853), (33, 6297361), (51, 4074763), (77, 2698869), (119, 1746327), (187, 1111299), (231, 899623), (357, 582109), (561, 370433), (1309, 158757), (3927, 52919)]