80777529

素因数分解:

$3^2\times 7^3\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 137779200

約数和(自身を除く): 57001671

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 191, 343, 411, 441, 573, 959, 1029, 1233, 1337, 1719, 2877, 3087, 4011, 6713, 8631, 9359, 12033, 20139, 26167, 28077, 46991, 60417, 65513, 78501, 84231, 140973, 183169, 196539, 235503, 422919, 549507, 589617, 1282183, 1648521, 3846549, 8975281, 11539647, 26925843, 80777529]

約数ペア:

[(1, 80777529), (3, 26925843), (7, 11539647), (9, 8975281), (21, 3846549), (49, 1648521), (63, 1282183), (137, 589617), (147, 549507), (191, 422919), (343, 235503), (411, 196539), (441, 183169), (573, 140973), (959, 84231), (1029, 78501), (1233, 65513), (1337, 60417), (1719, 46991), (2877, 28077), (3087, 26167), (4011, 20139), (6713, 12033), (8631, 9359)]