81721926

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 224985600

約数和(自身を除く): 143263674

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 26, 27, 33, 38, 39, 54, 57, 66, 78, 99, 114, 117, 143, 171, 198, 209, 234, 247, 286, 297, 342, 351, 418, 429, 494, 513, 557, 594, 627, 702, 741, 858, 1026, 1114, 1254, 1287, 1482, 1671, 1881, 2223, 2574, 2717, 3342, 3762, 3861, 4446, 5013, 5434, 5643, 6127, 6669, 7241, 7722, 8151, 10026, 10583, 11286, 12254, 13338, 14482, 15039, 16302, 18381, 21166, 21723, 24453, 30078, 31749, 36762, 43446, 48906, 55143, 63498, 65169, 73359, 79651, 95247, 110286, 116413, 130338, 137579, 146718, 159302, 165429, 190494, 195507, 232826, 238953, 275158, 285741, 330858, 349239, 391014, 412737, 477906, 571482, 698478, 716859, 825474, 1047717, 1238211, 1433718, 1513369, 2095434, 2150577, 2476422, 3026738, 3143151, 3714633, 4301154, 4540107, 6286302, 7429266, 9080214, 13620321, 27240642, 40860963, 81721926]

約数ペア:

[(1, 81721926), (2, 40860963), (3, 27240642), (6, 13620321), (9, 9080214), (11, 7429266), (13, 6286302), (18, 4540107), (19, 4301154), (22, 3714633), (26, 3143151), (27, 3026738), (33, 2476422), (38, 2150577), (39, 2095434), (54, 1513369), (57, 1433718), (66, 1238211), (78, 1047717), (99, 825474), (114, 716859), (117, 698478), (143, 571482), (171, 477906), (198, 412737), (209, 391014), (234, 349239), (247, 330858), (286, 285741), (297, 275158), (342, 238953), (351, 232826), (418, 195507), (429, 190494), (494, 165429), (513, 159302), (557, 146718), (594, 137579), (627, 130338), (702, 116413), (741, 110286), (858, 95247), (1026, 79651), (1114, 73359), (1254, 65169), (1287, 63498), (1482, 55143), (1671, 48906), (1881, 43446), (2223, 36762), (2574, 31749), (2717, 30078), (3342, 24453), (3762, 21723), (3861, 21166), (4446, 18381), (5013, 16302), (5434, 15039), (5643, 14482), (6127, 13338), (6669, 12254), (7241, 11286), (7722, 10583), (8151, 10026)]