215387711

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^2\times {\mathrm{163}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 272260992

約数和(自身を除く): 56873281

約数列:

[1, 7, 11, 77, 131, 163, 917, 1141, 1441, 1793, 10087, 12551, 17161, 21353, 120127, 149471, 188771, 234883, 1321397, 1644181, 2797243, 19580701, 30769673, 215387711]

約数ペア:

[(1, 215387711), (7, 30769673), (11, 19580701), (77, 2797243), (131, 1644181), (163, 1321397), (917, 234883), (1141, 188771), (1441, 149471), (1793, 120127), (10087, 21353), (12551, 17161)]