81231906

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 202704768

約数和(自身を除く): 121472862

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 41, 42, 46, 49, 69, 82, 98, 123, 138, 147, 161, 246, 287, 293, 294, 322, 483, 574, 586, 861, 879, 943, 966, 1127, 1722, 1758, 1886, 2009, 2051, 2254, 2829, 3381, 4018, 4102, 5658, 6027, 6153, 6601, 6739, 6762, 12013, 12054, 12306, 13202, 13478, 14357, 19803, 20217, 24026, 28714, 36039, 39606, 40434, 43071, 46207, 47173, 72078, 84091, 86142, 92414, 94346, 138621, 141519, 168182, 252273, 276299, 277242, 283038, 330211, 504546, 552598, 588637, 660422, 828897, 990633, 1177274, 1657794, 1765911, 1934093, 1981266, 3531822, 3868186, 5802279, 11604558, 13538651, 27077302, 40615953, 81231906]

約数ペア:

[(1, 81231906), (2, 40615953), (3, 27077302), (6, 13538651), (7, 11604558), (14, 5802279), (21, 3868186), (23, 3531822), (41, 1981266), (42, 1934093), (46, 1765911), (49, 1657794), (69, 1177274), (82, 990633), (98, 828897), (123, 660422), (138, 588637), (147, 552598), (161, 504546), (246, 330211), (287, 283038), (293, 277242), (294, 276299), (322, 252273), (483, 168182), (574, 141519), (586, 138621), (861, 94346), (879, 92414), (943, 86142), (966, 84091), (1127, 72078), (1722, 47173), (1758, 46207), (1886, 43071), (2009, 40434), (2051, 39606), (2254, 36039), (2829, 28714), (3381, 24026), (4018, 20217), (4102, 19803), (5658, 14357), (6027, 13478), (6153, 13202), (6601, 12306), (6739, 12054), (6762, 12013)]