321993

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 561600

約数和(自身を除く): 239607

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 269, 399, 807, 1197, 1883, 2421, 5111, 5649, 15333, 16947, 35777, 45999, 107331, 321993]

約数ペア:

[(1, 321993), (3, 107331), (7, 45999), (9, 35777), (19, 16947), (21, 15333), (57, 5649), (63, 5111), (133, 2421), (171, 1883), (269, 1197), (399, 807)]