218079315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{285071}}^1$

素因数の和:285099

約数の個数: 24

約数和(自身を含む): 400241088

約数和(自身を除く): 182161773

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 285071, 855213, 1425355, 2565639, 4276065, 4846207, 12828195, 14538621, 24231035, 43615863, 72693105, 218079315]

約数ペア:

[(1, 218079315), (3, 72693105), (5, 43615863), (9, 24231035), (15, 14538621), (17, 12828195), (45, 4846207), (51, 4276065), (85, 2565639), (153, 1425355), (255, 855213), (765, 285071)]