213570621

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37847}}^1$

素因数の和:37886

約数の個数: 32

約数和(自身を含む): 363340800

約数和(自身を除く): 149770179

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 5643, 37847, 113541, 340623, 416317, 719093, 1021869, 1248951, 2157279, 3746853, 6471837, 7910023, 11240559, 19415511, 23730069, 71190207, 213570621]

約数ペア:

[(1, 213570621), (3, 71190207), (9, 23730069), (11, 19415511), (19, 11240559), (27, 7910023), (33, 6471837), (57, 3746853), (99, 2157279), (171, 1248951), (209, 1021869), (297, 719093), (513, 416317), (627, 340623), (1881, 113541), (5643, 37847)]