81461178

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 197188992

約数和(自身を除く): 115727814

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 41, 43, 51, 82, 86, 102, 123, 129, 151, 153, 246, 258, 302, 306, 369, 387, 453, 697, 731, 738, 774, 906, 1359, 1394, 1462, 1763, 2091, 2193, 2567, 2718, 3526, 4182, 4386, 5134, 5289, 6191, 6273, 6493, 6579, 7701, 10578, 12382, 12546, 12986, 13158, 15402, 15867, 18573, 19479, 23103, 29971, 31734, 37146, 38958, 46206, 55719, 58437, 59942, 89913, 105247, 110381, 111438, 116874, 179826, 210494, 220762, 266213, 269739, 315741, 331143, 532426, 539478, 631482, 662286, 798639, 947223, 993429, 1597278, 1894446, 1986858, 2395917, 4525621, 4791834, 9051242, 13576863, 27153726, 40730589, 81461178]

約数ペア:

[(1, 81461178), (2, 40730589), (3, 27153726), (6, 13576863), (9, 9051242), (17, 4791834), (18, 4525621), (34, 2395917), (41, 1986858), (43, 1894446), (51, 1597278), (82, 993429), (86, 947223), (102, 798639), (123, 662286), (129, 631482), (151, 539478), (153, 532426), (246, 331143), (258, 315741), (302, 269739), (306, 266213), (369, 220762), (387, 210494), (453, 179826), (697, 116874), (731, 111438), (738, 110381), (774, 105247), (906, 89913), (1359, 59942), (1394, 58437), (1462, 55719), (1763, 46206), (2091, 38958), (2193, 37146), (2567, 31734), (2718, 29971), (3526, 23103), (4182, 19479), (4386, 18573), (5134, 15867), (5289, 15402), (6191, 13158), (6273, 12986), (6493, 12546), (6579, 12382), (7701, 10578)]