27808578

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:832

約数の個数: 72

約数和(自身を含む): 71891820

約数和(自身を除く): 44083242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 369, 441, 574, 738, 769, 861, 882, 1538, 1722, 2009, 2307, 2583, 4018, 4614, 5166, 5383, 6027, 6921, 10766, 12054, 13842, 16149, 18081, 31529, 32298, 36162, 37681, 48447, 63058, 75362, 94587, 96894, 113043, 189174, 220703, 226086, 283761, 339129, 441406, 567522, 662109, 678258, 1324218, 1544921, 1986327, 3089842, 3972654, 4634763, 9269526, 13904289, 27808578]

約数ペア:

[(1, 27808578), (2, 13904289), (3, 9269526), (6, 4634763), (7, 3972654), (9, 3089842), (14, 1986327), (18, 1544921), (21, 1324218), (41, 678258), (42, 662109), (49, 567522), (63, 441406), (82, 339129), (98, 283761), (123, 226086), (126, 220703), (147, 189174), (246, 113043), (287, 96894), (294, 94587), (369, 75362), (441, 63058), (574, 48447), (738, 37681), (769, 36162), (861, 32298), (882, 31529), (1538, 18081), (1722, 16149), (2009, 13842), (2307, 12054), (2583, 10766), (4018, 6921), (4614, 6027), (5166, 5383)]