128991969

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{4517}}^1$

素因数の和:4709

約数の個数: 24

約数和(自身を含む): 197346240

約数和(自身を除く): 68354271

約数列:

[1, 3, 9, 19, 57, 167, 171, 501, 1503, 3173, 4517, 9519, 13551, 28557, 40653, 85823, 257469, 754339, 772407, 2263017, 6789051, 14332441, 42997323, 128991969]

約数ペア:

[(1, 128991969), (3, 42997323), (9, 14332441), (19, 6789051), (57, 2263017), (167, 772407), (171, 754339), (501, 257469), (1503, 85823), (3173, 40653), (4517, 28557), (9519, 13551)]