55909021

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 69562368

約数和(自身を除く): 13653347

約数列:

[1, 7, 23, 67, 71, 73, 161, 469, 497, 511, 1541, 1633, 1679, 4757, 4891, 5183, 10787, 11431, 11753, 33299, 34237, 36281, 109411, 112493, 119209, 347261, 765877, 787451, 834463, 2430827, 7987003, 55909021]

約数ペア:

[(1, 55909021), (7, 7987003), (23, 2430827), (67, 834463), (71, 787451), (73, 765877), (161, 347261), (469, 119209), (497, 112493), (511, 109411), (1541, 36281), (1633, 34237), (1679, 33299), (4757, 11753), (4891, 11431), (5183, 10787)]