207957897

素因数分解:

$3^2\times 7^1\times {\mathrm{1549}}^1\times {\mathrm{2131}}^1$

素因数の和:3693

約数の個数: 24

約数和(自身を含む): 343678400

約数和(自身を除く): 135720503

約数列:

[1, 3, 7, 9, 21, 63, 1549, 2131, 4647, 6393, 10843, 13941, 14917, 19179, 32529, 44751, 97587, 134253, 3300919, 9902757, 23106433, 29708271, 69319299, 207957897]

約数ペア:

[(1, 207957897), (3, 69319299), (7, 29708271), (9, 23106433), (21, 9902757), (63, 3300919), (1549, 134253), (2131, 97587), (4647, 44751), (6393, 32529), (10843, 19179), (13941, 14917)]