2691486

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 6840288

約数和(自身を除く): 4148802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 521, 574, 738, 861, 1042, 1563, 1722, 2583, 3126, 3647, 4689, 5166, 7294, 9378, 10941, 21361, 21882, 32823, 42722, 64083, 65646, 128166, 149527, 192249, 299054, 384498, 448581, 897162, 1345743, 2691486]

約数ペア:

[(1, 2691486), (2, 1345743), (3, 897162), (6, 448581), (7, 384498), (9, 299054), (14, 192249), (18, 149527), (21, 128166), (41, 65646), (42, 64083), (63, 42722), (82, 32823), (123, 21882), (126, 21361), (246, 10941), (287, 9378), (369, 7294), (521, 5166), (574, 4689), (738, 3647), (861, 3126), (1042, 2583), (1563, 1722)]