407769039

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{321331}}^1$

素因数の和:321387

約数の個数: 16

約数和(自身を含む): 616957440

約数和(自身を除く): 209188401

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 321331, 963993, 2891979, 8675937, 15102557, 45307671, 135923013, 407769039]

約数ペア:

[(1, 407769039), (3, 135923013), (9, 45307671), (27, 15102557), (47, 8675937), (141, 2891979), (423, 963993), (1269, 321331)]