629685

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 1248000

約数和(自身を除く): 618315

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1999, 5997, 9995, 13993, 17991, 29985, 41979, 69965, 89955, 125937, 209895, 629685]

約数ペア:

[(1, 629685), (3, 209895), (5, 125937), (7, 89955), (9, 69965), (15, 41979), (21, 29985), (35, 17991), (45, 13993), (63, 9995), (105, 5997), (315, 1999)]