1249209855

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{390989}}^1$

素因数の和:391071

約数の個数: 24

約数和(自身を含む): 2195799840

約数和(自身を除く): 946589985

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 390989, 1172967, 1954945, 3518901, 5864835, 17594505, 27760219, 83280657, 138801095, 249841971, 416403285, 1249209855]

約数ペア:

[(1, 1249209855), (3, 416403285), (5, 249841971), (9, 138801095), (15, 83280657), (45, 27760219), (71, 17594505), (213, 5864835), (355, 3518901), (639, 1954945), (1065, 1172967), (3195, 390989)]