12696921

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 19787040

約数和(自身を除く): 7090119

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 1811, 2337, 5433, 7011, 16299, 34409, 74251, 103227, 222753, 309681, 668259, 1410769, 4232307, 12696921]

約数ペア:

[(1, 12696921), (3, 4232307), (9, 1410769), (19, 668259), (41, 309681), (57, 222753), (123, 103227), (171, 74251), (369, 34409), (779, 16299), (1811, 7011), (2337, 5433)]