206872953

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{12911}}^1$

素因数の和:13037

約数の個数: 24

約数和(自身を含む): 323832960

約数和(自身を除く): 116960007

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 5341, 12911, 16023, 38733, 90377, 271131, 632639, 1407299, 1897917, 4221897, 9851093, 29553279, 68957651, 206872953]

約数ペア:

[(1, 206872953), (3, 68957651), (7, 29553279), (21, 9851093), (49, 4221897), (109, 1897917), (147, 1407299), (327, 632639), (763, 271131), (2289, 90377), (5341, 38733), (12911, 16023)]