27207981

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 16821459

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 83, 171, 213, 243, 249, 513, 639, 747, 1349, 1539, 1577, 1917, 2241, 4047, 4617, 4731, 5751, 5893, 6723, 12141, 14193, 17253, 17679, 20169, 36423, 42579, 53037, 109269, 111967, 127737, 159111, 327807, 335901, 383211, 477333, 1007703, 1431999, 3023109, 9069327, 27207981]

約数ペア:

[(1, 27207981), (3, 9069327), (9, 3023109), (19, 1431999), (27, 1007703), (57, 477333), (71, 383211), (81, 335901), (83, 327807), (171, 159111), (213, 127737), (243, 111967), (249, 109269), (513, 53037), (639, 42579), (747, 36423), (1349, 20169), (1539, 17679), (1577, 17253), (1917, 14193), (2241, 12141), (4047, 6723), (4617, 5893), (4731, 5751)]