27680562

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 78059520

約数和(自身を除く): 50378958

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 43, 54, 63, 78, 86, 91, 117, 126, 129, 131, 182, 189, 234, 258, 262, 273, 301, 351, 378, 387, 393, 546, 559, 602, 702, 774, 786, 819, 903, 917, 1118, 1161, 1179, 1638, 1677, 1703, 1806, 1834, 2322, 2358, 2457, 2709, 2751, 3354, 3406, 3537, 3913, 4914, 5031, 5109, 5418, 5502, 5633, 7074, 7826, 8127, 8253, 10062, 10218, 11266, 11739, 11921, 15093, 15327, 16254, 16506, 16899, 23478, 23842, 24759, 30186, 30654, 33798, 35217, 35763, 39431, 45981, 49518, 50697, 70434, 71526, 73229, 78862, 91962, 101394, 105651, 107289, 118293, 146458, 152091, 211302, 214578, 219687, 236586, 304182, 321867, 354879, 439374, 512603, 643734, 659061, 709758, 1025206, 1064637, 1318122, 1537809, 1977183, 2129274, 3075618, 3954366, 4613427, 9226854, 13840281, 27680562]

約数ペア:

[(1, 27680562), (2, 13840281), (3, 9226854), (6, 4613427), (7, 3954366), (9, 3075618), (13, 2129274), (14, 1977183), (18, 1537809), (21, 1318122), (26, 1064637), (27, 1025206), (39, 709758), (42, 659061), (43, 643734), (54, 512603), (63, 439374), (78, 354879), (86, 321867), (91, 304182), (117, 236586), (126, 219687), (129, 214578), (131, 211302), (182, 152091), (189, 146458), (234, 118293), (258, 107289), (262, 105651), (273, 101394), (301, 91962), (351, 78862), (378, 73229), (387, 71526), (393, 70434), (546, 50697), (559, 49518), (602, 45981), (702, 39431), (774, 35763), (786, 35217), (819, 33798), (903, 30654), (917, 30186), (1118, 24759), (1161, 23842), (1179, 23478), (1638, 16899), (1677, 16506), (1703, 16254), (1806, 15327), (1834, 15093), (2322, 11921), (2358, 11739), (2457, 11266), (2709, 10218), (2751, 10062), (3354, 8253), (3406, 8127), (3537, 7826), (3913, 7074), (4914, 5633), (5031, 5502), (5109, 5418)]