221006863

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{311}}^1\times {\mathrm{839}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 278853120

約数和(自身を除く): 57846257

約数列:

[1, 7, 11, 77, 121, 311, 839, 847, 2177, 3421, 5873, 9229, 23947, 37631, 64603, 101519, 260929, 263417, 710633, 1826503, 2870219, 20091533, 31572409, 221006863]

約数ペア:

[(1, 221006863), (7, 31572409), (11, 20091533), (77, 2870219), (121, 1826503), (311, 710633), (839, 263417), (847, 260929), (2177, 101519), (3421, 64603), (5873, 37631), (9229, 23947)]