425420721

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21379}}^1$

素因数の和:21466

約数の個数: 32

約数和(自身を含む): 697843200

約数和(自身を除く): 272422479

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 201, 297, 603, 737, 1809, 2211, 6633, 19899, 21379, 64137, 192411, 235169, 577233, 705507, 1432393, 2116521, 4297179, 6349563, 12891537, 15756323, 38674611, 47268969, 141806907, 425420721]

約数ペア:

[(1, 425420721), (3, 141806907), (9, 47268969), (11, 38674611), (27, 15756323), (33, 12891537), (67, 6349563), (99, 4297179), (201, 2116521), (297, 1432393), (603, 705507), (737, 577233), (1809, 235169), (2211, 192411), (6633, 64137), (19899, 21379)]