30877821

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 50771520

約数和(自身を除く): 19893699

約数列:

[1, 3, 9, 13, 27, 39, 67, 101, 117, 169, 201, 303, 351, 507, 603, 871, 909, 1313, 1521, 1809, 2613, 2727, 3939, 4563, 6767, 7839, 11323, 11817, 17069, 20301, 23517, 33969, 35451, 51207, 60903, 87971, 101907, 153621, 182709, 263913, 305721, 460863, 791739, 1143623, 2375217, 3430869, 10292607, 30877821]

約数ペア:

[(1, 30877821), (3, 10292607), (9, 3430869), (13, 2375217), (27, 1143623), (39, 791739), (67, 460863), (101, 305721), (117, 263913), (169, 182709), (201, 153621), (303, 101907), (351, 87971), (507, 60903), (603, 51207), (871, 35451), (909, 33969), (1313, 23517), (1521, 20301), (1809, 17069), (2613, 11817), (2727, 11323), (3939, 7839), (4563, 6767)]