206564013

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1$

素因数の和:1959

約数の個数: 40

約数和(自身を含む): 326177280

約数和(自身を除く): 119613267

約数列:

[1, 3, 9, 27, 29, 47, 81, 87, 141, 261, 423, 783, 1269, 1363, 1871, 2349, 3807, 4089, 5613, 12267, 16839, 36801, 50517, 54259, 87937, 110403, 151551, 162777, 263811, 488331, 791433, 1464993, 2374299, 2550173, 4394979, 7122897, 7650519, 22951557, 68854671, 206564013]

約数ペア:

[(1, 206564013), (3, 68854671), (9, 22951557), (27, 7650519), (29, 7122897), (47, 4394979), (81, 2550173), (87, 2374299), (141, 1464993), (261, 791433), (423, 488331), (783, 263811), (1269, 162777), (1363, 151551), (1871, 110403), (2349, 87937), (3807, 54259), (4089, 50517), (5613, 36801), (12267, 16839)]