28769979

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 45838336

約数和(自身を除く): 17068357

約数列:

[1, 3, 7, 21, 37, 61, 111, 183, 259, 427, 607, 777, 1281, 1821, 2257, 4249, 6771, 12747, 15799, 22459, 37027, 47397, 67377, 111081, 157213, 259189, 471639, 777567, 1369999, 4109997, 9589993, 28769979]

約数ペア:

[(1, 28769979), (3, 9589993), (7, 4109997), (21, 1369999), (37, 777567), (61, 471639), (111, 259189), (183, 157213), (259, 111081), (427, 67377), (607, 47397), (777, 37027), (1281, 22459), (1821, 15799), (2257, 12747), (4249, 6771)]