13286727

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 7449273

約数列:

[1, 3, 9, 27, 29, 71, 87, 213, 239, 261, 639, 717, 783, 1917, 2059, 2151, 6177, 6453, 6931, 16969, 18531, 20793, 50907, 55593, 62379, 152721, 187137, 458163, 492101, 1476303, 4428909, 13286727]

約数ペア:

[(1, 13286727), (3, 4428909), (9, 1476303), (27, 492101), (29, 458163), (71, 187137), (87, 152721), (213, 62379), (239, 55593), (261, 50907), (639, 20793), (717, 18531), (783, 16969), (1917, 6931), (2059, 6453), (2151, 6177)]