905888973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 1437004800

約数和(自身を除く): 531115827

約数列:

[1, 3, 11, 19, 33, 41, 57, 123, 131, 209, 269, 393, 451, 627, 779, 807, 1353, 1441, 2337, 2489, 2959, 4323, 5111, 5371, 7467, 8569, 8877, 11029, 15333, 16113, 25707, 27379, 33087, 35239, 56221, 59081, 82137, 102049, 105717, 121319, 168663, 177243, 209551, 306147, 363957, 387629, 628653, 669541, 1122539, 1162887, 1444799, 2008623, 2305061, 3367617, 4334397, 6915183, 7364951, 15892789, 22094853, 27451181, 47678367, 82353543, 301962991, 905888973]

約数ペア:

[(1, 905888973), (3, 301962991), (11, 82353543), (19, 47678367), (33, 27451181), (41, 22094853), (57, 15892789), (123, 7364951), (131, 6915183), (209, 4334397), (269, 3367617), (393, 2305061), (451, 2008623), (627, 1444799), (779, 1162887), (807, 1122539), (1353, 669541), (1441, 628653), (2337, 387629), (2489, 363957), (2959, 306147), (4323, 209551), (5111, 177243), (5371, 168663), (7467, 121319), (8569, 105717), (8877, 102049), (11029, 82137), (15333, 59081), (16113, 56221), (25707, 35239), (27379, 33087)]