199925901

素因数分解:

$3^4\times 7^1\times {\mathrm{503}}^1\times {\mathrm{701}}^1$

素因数の和:1223

約数の個数: 40

約数和(自身を含む): 342486144

約数和(自身を除く): 142560243

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 503, 567, 701, 1509, 2103, 3521, 4527, 4907, 6309, 10563, 13581, 14721, 18927, 31689, 40743, 44163, 56781, 95067, 132489, 285201, 352603, 397467, 1057809, 2468221, 3173427, 7404663, 9520281, 22213989, 28560843, 66641967, 199925901]

約数ペア:

[(1, 199925901), (3, 66641967), (7, 28560843), (9, 22213989), (21, 9520281), (27, 7404663), (63, 3173427), (81, 2468221), (189, 1057809), (503, 397467), (567, 352603), (701, 285201), (1509, 132489), (2103, 95067), (3521, 56781), (4527, 44163), (4907, 40743), (6309, 31689), (10563, 18927), (13581, 14721)]