16440021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{619}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 25727520

約数和(自身を除く): 9287499

約数列:

[1, 3, 9, 13, 39, 117, 227, 619, 681, 1857, 2043, 2951, 5571, 8047, 8853, 24141, 26559, 72423, 140513, 421539, 1264617, 1826669, 5480007, 16440021]

約数ペア:

[(1, 16440021), (3, 5480007), (9, 1826669), (13, 1264617), (39, 421539), (117, 140513), (227, 72423), (619, 26559), (681, 24141), (1857, 8853), (2043, 8047), (2951, 5571)]