247780155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{12227}}^1$

素因数の和:12435

約数の個数: 32

約数和(自身を含む): 455468544

約数和(自身を除く): 207688389

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 193, 579, 965, 1351, 2895, 4053, 6755, 12227, 20265, 36681, 61135, 85589, 183405, 256767, 427945, 1283835, 2359811, 7079433, 11799055, 16518677, 35397165, 49556031, 82593385, 247780155]

約数ペア:

[(1, 247780155), (3, 82593385), (5, 49556031), (7, 35397165), (15, 16518677), (21, 11799055), (35, 7079433), (105, 2359811), (193, 1283835), (579, 427945), (965, 256767), (1351, 183405), (2895, 85589), (4053, 61135), (6755, 36681), (12227, 20265)]