81137646

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 187165440

約数和(自身を除く): 106027794

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 83, 86, 129, 166, 249, 258, 387, 421, 498, 747, 774, 842, 1161, 1263, 1494, 2241, 2322, 2526, 3569, 3789, 4482, 7138, 7578, 10707, 11367, 18103, 21414, 22734, 32121, 34943, 36206, 54309, 64242, 69886, 96363, 104829, 108618, 162927, 192726, 209658, 314487, 325854, 488781, 628974, 943461, 977562, 1502549, 1886922, 3005098, 4507647, 9015294, 13522941, 27045882, 40568823, 81137646]

約数ペア:

[(1, 81137646), (2, 40568823), (3, 27045882), (6, 13522941), (9, 9015294), (18, 4507647), (27, 3005098), (43, 1886922), (54, 1502549), (83, 977562), (86, 943461), (129, 628974), (166, 488781), (249, 325854), (258, 314487), (387, 209658), (421, 192726), (498, 162927), (747, 108618), (774, 104829), (842, 96363), (1161, 69886), (1263, 64242), (1494, 54309), (2241, 36206), (2322, 34943), (2526, 32121), (3569, 22734), (3789, 21414), (4482, 18103), (7138, 11367), (7578, 10707)]