689985

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 1296000

約数和(自身を除く): 606015

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 269, 285, 513, 807, 855, 1345, 2421, 2565, 4035, 5111, 7263, 12105, 15333, 25555, 36315, 45999, 76665, 137997, 229995, 689985]

約数ペア:

[(1, 689985), (3, 229995), (5, 137997), (9, 76665), (15, 45999), (19, 36315), (27, 25555), (45, 15333), (57, 12105), (95, 7263), (135, 5111), (171, 4035), (269, 2565), (285, 2421), (513, 1345), (807, 855)]