33427821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 54016000

約数和(自身を除く): 20588179

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 399, 421, 597, 1263, 1393, 2947, 3781, 4179, 7999, 8841, 11343, 23997, 26467, 55993, 79401, 83779, 167979, 251337, 586453, 1591801, 1759359, 4775403, 11142607, 33427821]

約数ペア:

[(1, 33427821), (3, 11142607), (7, 4775403), (19, 1759359), (21, 1591801), (57, 586453), (133, 251337), (199, 167979), (399, 83779), (421, 79401), (597, 55993), (1263, 26467), (1393, 23997), (2947, 11343), (3781, 8841), (4179, 7999)]