137487721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 175177728

約数和(自身を除く): 37690007

約数列:

[1, 7, 17, 23, 119, 161, 191, 263, 391, 1337, 1841, 2737, 3247, 4393, 4471, 6049, 22729, 30751, 31297, 42343, 50233, 74681, 102833, 351631, 522767, 719831, 853961, 1155359, 5977727, 8087513, 19641103, 137487721]

約数ペア:

[(1, 137487721), (7, 19641103), (17, 8087513), (23, 5977727), (119, 1155359), (161, 853961), (191, 719831), (263, 522767), (391, 351631), (1337, 102833), (1841, 74681), (2737, 50233), (3247, 42343), (4393, 31297), (4471, 30751), (6049, 22729)]