159979881

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 228556800

約数和(自身を除く): 68576919

約数列:

[1, 3, 23, 61, 69, 183, 191, 199, 573, 597, 1403, 4209, 4393, 4577, 11651, 12139, 13179, 13731, 34953, 36417, 38009, 114027, 267973, 279197, 803919, 837591, 874207, 2318549, 2622621, 6955647, 53326627, 159979881]

約数ペア:

[(1, 159979881), (3, 53326627), (23, 6955647), (61, 2622621), (69, 2318549), (183, 874207), (191, 837591), (199, 803919), (573, 279197), (597, 267973), (1403, 114027), (4209, 38009), (4393, 36417), (4577, 34953), (11651, 13731), (12139, 13179)]