31196613

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1907}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 51287040

約数和(自身を除く): 20090427

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1907, 2337, 5453, 5721, 13349, 16359, 36233, 40047, 78187, 108699, 234561, 253631, 547309, 760893, 1485553, 1641927, 4456659, 10398871, 31196613]

約数ペア:

[(1, 31196613), (3, 10398871), (7, 4456659), (19, 1641927), (21, 1485553), (41, 760893), (57, 547309), (123, 253631), (133, 234561), (287, 108699), (399, 78187), (779, 40047), (861, 36233), (1907, 16359), (2337, 13349), (5453, 5721)]