172879911

素因数分解:

$3^2\times {\mathrm{197}}^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 252602064

約数和(自身を除く): 79722153

約数列:

[1, 3, 9, 197, 281, 347, 591, 843, 1041, 1773, 2529, 3123, 55357, 68359, 97507, 166071, 205077, 292521, 498213, 615231, 877563, 19208879, 57626637, 172879911]

約数ペア:

[(1, 172879911), (3, 57626637), (9, 19208879), (197, 877563), (281, 615231), (347, 498213), (591, 292521), (843, 205077), (1041, 166071), (1773, 97507), (2529, 68359), (3123, 55357)]