81297018

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 200558592

約数和(自身を除く): 119261574

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 53, 61, 66, 99, 106, 122, 127, 159, 183, 198, 254, 318, 366, 381, 477, 549, 583, 671, 762, 954, 1098, 1143, 1166, 1342, 1397, 1749, 2013, 2286, 2794, 3233, 3498, 4026, 4191, 5247, 6039, 6466, 6731, 7747, 8382, 9699, 10494, 12078, 12573, 13462, 15494, 19398, 20193, 23241, 25146, 29097, 35563, 40386, 46482, 58194, 60579, 69723, 71126, 74041, 85217, 106689, 121158, 139446, 148082, 170434, 213378, 222123, 255651, 320067, 410591, 444246, 511302, 640134, 666369, 766953, 821182, 1231773, 1332738, 1533906, 2463546, 3695319, 4516501, 7390638, 9033002, 13549503, 27099006, 40648509, 81297018]

約数ペア:

[(1, 81297018), (2, 40648509), (3, 27099006), (6, 13549503), (9, 9033002), (11, 7390638), (18, 4516501), (22, 3695319), (33, 2463546), (53, 1533906), (61, 1332738), (66, 1231773), (99, 821182), (106, 766953), (122, 666369), (127, 640134), (159, 511302), (183, 444246), (198, 410591), (254, 320067), (318, 255651), (366, 222123), (381, 213378), (477, 170434), (549, 148082), (583, 139446), (671, 121158), (762, 106689), (954, 85217), (1098, 74041), (1143, 71126), (1166, 69723), (1342, 60579), (1397, 58194), (1749, 46482), (2013, 40386), (2286, 35563), (2794, 29097), (3233, 25146), (3498, 23241), (4026, 20193), (4191, 19398), (5247, 15494), (6039, 13462), (6466, 12573), (6731, 12078), (7747, 10494), (8382, 9699)]