221073897

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{4649}}^1$

素因数の和:4805

約数の個数: 24

約数和(自身を含む): 326541600

約数和(自身を除く): 105467703

約数列:

[1, 3, 11, 33, 121, 131, 363, 393, 1441, 4323, 4649, 13947, 15851, 47553, 51139, 153417, 562529, 609019, 1687587, 1827057, 6699209, 20097627, 73691299, 221073897]

約数ペア:

[(1, 221073897), (3, 73691299), (11, 20097627), (33, 6699209), (121, 1827057), (131, 1687587), (363, 609019), (393, 562529), (1441, 153417), (4323, 51139), (4649, 47553), (13947, 15851)]