1220787

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 1909440

約数和(自身を除く): 688653

約数列:

[1, 3, 9, 17, 51, 79, 101, 153, 237, 303, 711, 909, 1343, 1717, 4029, 5151, 7979, 12087, 15453, 23937, 71811, 135643, 406929, 1220787]

約数ペア:

[(1, 1220787), (3, 406929), (9, 135643), (17, 71811), (51, 23937), (79, 15453), (101, 12087), (153, 7979), (237, 5151), (303, 4029), (711, 1717), (909, 1343)]