199067739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1423}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 304303104

約数和(自身を除く): 105235365

約数列:

[1, 3, 13, 17, 39, 51, 211, 221, 633, 663, 1423, 2743, 3587, 4269, 8229, 10761, 18499, 24191, 46631, 55497, 72573, 139893, 300253, 314483, 900759, 943449, 3903289, 5104301, 11709867, 15312903, 66355913, 199067739]

約数ペア:

[(1, 199067739), (3, 66355913), (13, 15312903), (17, 11709867), (39, 5104301), (51, 3903289), (211, 943449), (221, 900759), (633, 314483), (663, 300253), (1423, 139893), (2743, 72573), (3587, 55497), (4269, 46631), (8229, 24191), (10761, 18499)]