81648501

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 128931264

約数和(自身を除く): 47282763

約数列:

[1, 3, 11, 17, 33, 51, 101, 121, 131, 187, 303, 363, 393, 561, 1111, 1441, 1717, 2057, 2227, 3333, 4323, 5151, 6171, 6681, 12221, 13231, 15851, 18887, 24497, 36663, 39693, 47553, 56661, 73491, 145541, 207757, 224927, 269467, 436623, 623271, 674781, 808401, 1600951, 2474197, 4802853, 7422591, 27216167, 81648501]

約数ペア:

[(1, 81648501), (3, 27216167), (11, 7422591), (17, 4802853), (33, 2474197), (51, 1600951), (101, 808401), (121, 674781), (131, 623271), (187, 436623), (303, 269467), (363, 224927), (393, 207757), (561, 145541), (1111, 73491), (1441, 56661), (1717, 47553), (2057, 39693), (2227, 36663), (3333, 24497), (4323, 18887), (5151, 15851), (6171, 13231), (6681, 12221)]