27581463

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 53031888

約数和(自身を除く): 25450425

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 283, 357, 441, 637, 663, 819, 833, 849, 1071, 1547, 1911, 1981, 1989, 2499, 2547, 3679, 4641, 4811, 5733, 5943, 7497, 10829, 11037, 13867, 13923, 14433, 17829, 25753, 32487, 33111, 33677, 41601, 43299, 62543, 77259, 97461, 101031, 124803, 180271, 187629, 231777, 235739, 303093, 437801, 540813, 562887, 707217, 1313403, 1622439, 2121651, 3064607, 3940209, 9193821, 27581463]

約数ペア:

[(1, 27581463), (3, 9193821), (7, 3940209), (9, 3064607), (13, 2121651), (17, 1622439), (21, 1313403), (39, 707217), (49, 562887), (51, 540813), (63, 437801), (91, 303093), (117, 235739), (119, 231777), (147, 187629), (153, 180271), (221, 124803), (273, 101031), (283, 97461), (357, 77259), (441, 62543), (637, 43299), (663, 41601), (819, 33677), (833, 33111), (849, 32487), (1071, 25753), (1547, 17829), (1911, 14433), (1981, 13923), (1989, 13867), (2499, 11037), (2547, 10829), (3679, 7497), (4641, 5943), (4811, 5733)]