399280839

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1447}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 578273280

約数和(自身を除く): 178992441

約数列:

[1, 3, 19, 47, 57, 103, 141, 309, 893, 1447, 1957, 2679, 4341, 4841, 5871, 14523, 27493, 68009, 82479, 91979, 149041, 204027, 275937, 447123, 1292171, 2831779, 3876513, 7004927, 8495337, 21014781, 133093613, 399280839]

約数ペア:

[(1, 399280839), (3, 133093613), (19, 21014781), (47, 8495337), (57, 7004927), (103, 3876513), (141, 2831779), (309, 1292171), (893, 447123), (1447, 275937), (1957, 204027), (2679, 149041), (4341, 91979), (4841, 82479), (5871, 68009), (14523, 27493)]