219070431

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{571}}^1\times {\mathrm{907}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 324090624

約数和(自身を除く): 105020193

約数列:

[1, 3, 9, 47, 141, 423, 571, 907, 1713, 2721, 5139, 8163, 26837, 42629, 80511, 127887, 241533, 383661, 517897, 1553691, 4661073, 24341159, 73023477, 219070431]

約数ペア:

[(1, 219070431), (3, 73023477), (9, 24341159), (47, 4661073), (141, 1553691), (423, 517897), (571, 383661), (907, 241533), (1713, 127887), (2721, 80511), (5139, 42629), (8163, 26837)]