217526013

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{787}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 334742400

約数和(自身を除く): 117216387

約数列:

[1, 3, 9, 27, 29, 87, 261, 353, 783, 787, 1059, 2361, 3177, 7083, 9531, 10237, 21249, 22823, 30711, 68469, 92133, 205407, 276399, 277811, 616221, 833433, 2500299, 7500897, 8056519, 24169557, 72508671, 217526013]

約数ペア:

[(1, 217526013), (3, 72508671), (9, 24169557), (27, 8056519), (29, 7500897), (87, 2500299), (261, 833433), (353, 616221), (783, 277811), (787, 276399), (1059, 205407), (2361, 92133), (3177, 68469), (7083, 30711), (9531, 22823), (10237, 21249)]