198738981

素因数分解:

$3^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{4513}}^1$

素因数の和:4762

約数の個数: 32

約数和(自身を含む): 338008320

約数和(自身を除く): 139269339

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 233, 699, 1631, 2097, 4513, 4893, 6291, 13539, 14679, 31591, 40617, 44037, 94773, 121851, 284319, 852957, 1051529, 3154587, 7360703, 9463761, 22082109, 28391283, 66246327, 198738981]

約数ペア:

[(1, 198738981), (3, 66246327), (7, 28391283), (9, 22082109), (21, 9463761), (27, 7360703), (63, 3154587), (189, 1051529), (233, 852957), (699, 284319), (1631, 121851), (2097, 94773), (4513, 44037), (4893, 40617), (6291, 31591), (13539, 14679)]