28018209

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1699}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 39168000

約数和(自身を除く): 11149791

約数列:

[1, 3, 23, 69, 239, 717, 1699, 5097, 5497, 16491, 39077, 117231, 406061, 1218183, 9339403, 28018209]

約数ペア:

[(1, 28018209), (3, 9339403), (23, 1218183), (69, 406061), (239, 117231), (717, 39077), (1699, 16491), (5097, 5497)]