213288879

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1\times {\mathrm{1889}}^1$

素因数の和:2570

約数の個数: 16

約数和(自身を含む): 289668960

約数和(自身を除く): 76380081

約数列:

[1, 3, 61, 183, 617, 1851, 1889, 5667, 37637, 112911, 115229, 345687, 1165513, 3496539, 71096293, 213288879]

約数ペア:

[(1, 213288879), (3, 71096293), (61, 3496539), (183, 1165513), (617, 345687), (1851, 115229), (1889, 112911), (5667, 37637)]