1320779991

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{1009}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 1875594240

約数和(自身を除く): 554814249

約数列:

[1, 3, 23, 61, 69, 183, 311, 933, 1009, 1403, 3027, 4209, 7153, 18971, 21459, 23207, 56913, 61549, 69621, 184647, 313799, 436333, 941397, 1308999, 1415627, 4246881, 7217377, 19141739, 21652131, 57425217, 440259997, 1320779991]

約数ペア:

[(1, 1320779991), (3, 440259997), (23, 57425217), (61, 21652131), (69, 19141739), (183, 7217377), (311, 4246881), (933, 1415627), (1009, 1308999), (1403, 941397), (3027, 436333), (4209, 313799), (7153, 184647), (18971, 69621), (21459, 61549), (23207, 56913)]