212640903

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{761}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 321868800

約数和(自身を除く): 109227897

約数列:

[1, 3, 9, 27, 79, 131, 237, 393, 711, 761, 1179, 2133, 2283, 3537, 6849, 10349, 20547, 31047, 60119, 93141, 99691, 180357, 279423, 299073, 541071, 897219, 1623213, 2691657, 7875589, 23626767, 70880301, 212640903]

約数ペア:

[(1, 212640903), (3, 70880301), (9, 23626767), (27, 7875589), (79, 2691657), (131, 1623213), (237, 897219), (393, 541071), (711, 299073), (761, 279423), (1179, 180357), (2133, 99691), (2283, 93141), (3537, 60119), (6849, 31047), (10349, 20547)]