218612877

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 365783040

約数和(自身を除く): 147170163

約数列:

[1, 3, 7, 17, 21, 51, 59, 97, 107, 119, 177, 291, 321, 357, 413, 679, 749, 1003, 1239, 1649, 1819, 2037, 2247, 3009, 4947, 5457, 5723, 6313, 7021, 10379, 11543, 12733, 17169, 18939, 21063, 31137, 34629, 38199, 40061, 44191, 72653, 97291, 107321, 120183, 132573, 176443, 217959, 291873, 321963, 529329, 612361, 681037, 751247, 1235101, 1837083, 2043111, 2253741, 3705303, 4286527, 10410137, 12859581, 31230411, 72870959, 218612877]

約数ペア:

[(1, 218612877), (3, 72870959), (7, 31230411), (17, 12859581), (21, 10410137), (51, 4286527), (59, 3705303), (97, 2253741), (107, 2043111), (119, 1837083), (177, 1235101), (291, 751247), (321, 681037), (357, 612361), (413, 529329), (679, 321963), (749, 291873), (1003, 217959), (1239, 176443), (1649, 132573), (1819, 120183), (2037, 107321), (2247, 97291), (3009, 72653), (4947, 44191), (5457, 40061), (5723, 38199), (6313, 34629), (7021, 31137), (10379, 21063), (11543, 18939), (12733, 17169)]