201806451

素因数分解:

$3^3\times 7^4\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 80

約数和(自身を含む): 381832320

約数和(自身を除く): 180025869

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 283, 297, 343, 441, 539, 693, 849, 1029, 1323, 1617, 1981, 2079, 2401, 2547, 3087, 3113, 3773, 4851, 5943, 7203, 7641, 9261, 9339, 11319, 13867, 14553, 17829, 21609, 21791, 26411, 28017, 33957, 41601, 53487, 64827, 65373, 79233, 84051, 97069, 101871, 124803, 152537, 196119, 237699, 291207, 374409, 457611, 588357, 679483, 713097, 873621, 1067759, 1372833, 2038449, 2620863, 3203277, 4118499, 6115347, 7474313, 9609831, 18346041, 22422939, 28829493, 67268817, 201806451]

約数ペア:

[(1, 201806451), (3, 67268817), (7, 28829493), (9, 22422939), (11, 18346041), (21, 9609831), (27, 7474313), (33, 6115347), (49, 4118499), (63, 3203277), (77, 2620863), (99, 2038449), (147, 1372833), (189, 1067759), (231, 873621), (283, 713097), (297, 679483), (343, 588357), (441, 457611), (539, 374409), (693, 291207), (849, 237699), (1029, 196119), (1323, 152537), (1617, 124803), (1981, 101871), (2079, 97069), (2401, 84051), (2547, 79233), (3087, 65373), (3113, 64827), (3773, 53487), (4851, 41601), (5943, 33957), (7203, 28017), (7641, 26411), (9261, 21791), (9339, 21609), (11319, 17829), (13867, 14553)]