215061

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:54

約数の個数: 32

約数和(自身を含む): 384000

約数和(自身を除く): 168939

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 343, 399, 539, 627, 931, 1029, 1463, 1617, 2793, 3773, 4389, 6517, 10241, 11319, 19551, 30723, 71687, 215061]

約数ペア:

[(1, 215061), (3, 71687), (7, 30723), (11, 19551), (19, 11319), (21, 10241), (33, 6517), (49, 4389), (57, 3773), (77, 2793), (133, 1617), (147, 1463), (209, 1029), (231, 931), (343, 627), (399, 539)]