172427913

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^2\times {\mathrm{59}}^1$

素因数の和:176

約数の個数: 72

約数和(自身を含む): 308757600

約数和(自身を除く): 136329687

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 59, 63, 141, 147, 177, 189, 329, 413, 423, 441, 531, 987, 1239, 1269, 1323, 1593, 2209, 2303, 2773, 2891, 2961, 3717, 6627, 6909, 8319, 8673, 8883, 11151, 15463, 19411, 19881, 20727, 24957, 26019, 46389, 58233, 59643, 62181, 74871, 78057, 108241, 130331, 135877, 139167, 174699, 324723, 390993, 407631, 417501, 524097, 912317, 974169, 1172979, 1222893, 2736951, 2922507, 3518937, 3668679, 6386219, 8210853, 19158657, 24632559, 57475971, 172427913]

約数ペア:

[(1, 172427913), (3, 57475971), (7, 24632559), (9, 19158657), (21, 8210853), (27, 6386219), (47, 3668679), (49, 3518937), (59, 2922507), (63, 2736951), (141, 1222893), (147, 1172979), (177, 974169), (189, 912317), (329, 524097), (413, 417501), (423, 407631), (441, 390993), (531, 324723), (987, 174699), (1239, 139167), (1269, 135877), (1323, 130331), (1593, 108241), (2209, 78057), (2303, 74871), (2773, 62181), (2891, 59643), (2961, 58233), (3717, 46389), (6627, 26019), (6909, 24957), (8319, 20727), (8673, 19881), (8883, 19411), (11151, 15463)]