27990858

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 80

約数和(自身を含む): 68568480

約数和(自身を除く): 40577622

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 67, 87, 98, 134, 147, 174, 201, 203, 294, 343, 402, 406, 469, 609, 686, 938, 1029, 1218, 1407, 1421, 1943, 2058, 2401, 2814, 2842, 3283, 3886, 4263, 4802, 5829, 6566, 7203, 8526, 9849, 9947, 11658, 13601, 14406, 19698, 19894, 22981, 27202, 29841, 40803, 45962, 59682, 68943, 69629, 81606, 95207, 137886, 139258, 160867, 190414, 208887, 285621, 321734, 417774, 482601, 571242, 666449, 965202, 1332898, 1999347, 3998694, 4665143, 9330286, 13995429, 27990858]

約数ペア:

[(1, 27990858), (2, 13995429), (3, 9330286), (6, 4665143), (7, 3998694), (14, 1999347), (21, 1332898), (29, 965202), (42, 666449), (49, 571242), (58, 482601), (67, 417774), (87, 321734), (98, 285621), (134, 208887), (147, 190414), (174, 160867), (201, 139258), (203, 137886), (294, 95207), (343, 81606), (402, 69629), (406, 68943), (469, 59682), (609, 45962), (686, 40803), (938, 29841), (1029, 27202), (1218, 22981), (1407, 19894), (1421, 19698), (1943, 14406), (2058, 13601), (2401, 11658), (2814, 9947), (2842, 9849), (3283, 8526), (3886, 7203), (4263, 6566), (4802, 5829)]