12975981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 19248768

約数和(自身を除く): 6272787

約数列:

[1, 3, 17, 43, 51, 61, 97, 129, 183, 291, 731, 1037, 1649, 2193, 2623, 3111, 4171, 4947, 5917, 7869, 12513, 17751, 44591, 70907, 100589, 133773, 212721, 254431, 301767, 763293, 4325327, 12975981]

約数ペア:

[(1, 12975981), (3, 4325327), (17, 763293), (43, 301767), (51, 254431), (61, 212721), (97, 133773), (129, 100589), (183, 70907), (291, 44591), (731, 17751), (1037, 12513), (1649, 7869), (2193, 5917), (2623, 4947), (3111, 4171)]