11978967

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4023

約数の個数: 32

約数和(自身を含む): 21450240

約数和(自身を除く): 9471273

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 3989, 11967, 27923, 43879, 51857, 83769, 131637, 155571, 307153, 362999, 570427, 921459, 1088997, 1711281, 3992989, 11978967]

約数ペア:

[(1, 11978967), (3, 3992989), (7, 1711281), (11, 1088997), (13, 921459), (21, 570427), (33, 362999), (39, 307153), (77, 155571), (91, 131637), (143, 83769), (231, 51857), (273, 43879), (429, 27923), (1001, 11967), (3003, 3989)]