663661887

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{7883}}^1$

素因数の和:8123

約数の個数: 32

約数和(自身を含む): 1069701120

約数和(自身を除く): 406039233

約数列:

[1, 3, 7, 19, 21, 57, 133, 211, 399, 633, 1477, 4009, 4431, 7883, 12027, 23649, 28063, 55181, 84189, 149777, 165543, 449331, 1048439, 1663313, 3145317, 4989939, 11643191, 31602947, 34929573, 94808841, 221220629, 663661887]

約数ペア:

[(1, 663661887), (3, 221220629), (7, 94808841), (19, 34929573), (21, 31602947), (57, 11643191), (133, 4989939), (211, 3145317), (399, 1663313), (633, 1048439), (1477, 449331), (4009, 165543), (4431, 149777), (7883, 84189), (12027, 55181), (23649, 28063)]