217871649

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{2269}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 322957440

約数和(自身を除く): 105085791

約数列:

[1, 3, 9, 47, 141, 227, 423, 681, 2043, 2269, 6807, 10669, 20421, 32007, 96021, 106643, 319929, 515063, 959787, 1545189, 4635567, 24207961, 72623883, 217871649]

約数ペア:

[(1, 217871649), (3, 72623883), (9, 24207961), (47, 4635567), (141, 1545189), (227, 959787), (423, 515063), (681, 319929), (2043, 106643), (2269, 96021), (6807, 32007), (10669, 20421)]