2047221

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 3392640

約数和(自身を除く): 1345419

約数列:

[1, 3, 9, 11, 27, 33, 61, 99, 113, 183, 297, 339, 549, 671, 1017, 1243, 1647, 2013, 3051, 3729, 6039, 6893, 11187, 18117, 20679, 33561, 62037, 75823, 186111, 227469, 682407, 2047221]

約数ペア:

[(1, 2047221), (3, 682407), (9, 227469), (11, 186111), (27, 75823), (33, 62037), (61, 33561), (99, 20679), (113, 18117), (183, 11187), (297, 6893), (339, 6039), (549, 3729), (671, 3051), (1017, 2013), (1243, 1647)]