28415289

素因数分解:

$3^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1831}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 43381760

約数和(自身を除く): 14966471

約数列:

[1, 3, 7, 21, 739, 1831, 2217, 5173, 5493, 12817, 15519, 38451, 1353109, 4059327, 9471763, 28415289]

約数ペア:

[(1, 28415289), (3, 9471763), (7, 4059327), (21, 1353109), (739, 38451), (1831, 15519), (2217, 12817), (5173, 5493)]